IMV 2006 CT Market Summary Report Featuring results from 2,565 hospital and non-hospital CT imaging sites in the United States

Medical Information Division 1400 East Touhy Ave., Suite 250 Des Plaines, Illinois 60018 Phone: 847-297-1404 Fax: 847-297-5010 www.imvinfo.com IMV 2006 CT Market Summary Report Featuring results from 2,565 hospital and non-hospital CT imaging sites in the United States Now Available Overview With the rapid technological innovations in volumetric scanning and 3D visualization, CT scanners are continuing to transform the clinical landscape. As a result, radiology departments and imaging centers are stepping up the pace of replacing their installed base and adding capacity. IMV s 2006 CT Market Summary Report monitors these and other important trends, making it an essential tool for strategic planning and market development initiatives. What you ll learn in this report CT Procedures How many, and what type of CT procedures are estimated to have been conducted in 2006? What is the average procedure volume by hospital bed size and for non-hospitals? CT Installed Base and Purchase Plans How many CT units are installed, by site type? What proportion of the CT units have 64-slices? What is the installed base market share by vendor? What is the adoption rate for multi-slice CTs? How many CTs will to be purchased through 2011? What is the brand loyalty of current CT users? CT Contrast Media and Power Injectors What percent of CT procedures use oral vs. injectable contrast? What percent of injectable contrast procedures use power injectors? Workstations for CT Image Processing & Display What is the trend in dedicated workstations used for processing and displaying CT images? What is the market share of 3D software vendors? Site Operations Characteristics What is the average capital budget in 2006? How many FTE technologists, nurses, administrators and secretaries are employed in CT departments? How many CT procedures were performed per FTE technologist? Market Study Methodology Sampling Frame: This report utilized telephone interviews conducted from February through August 2006, from 2,565 hospital and non-hospital CT imaging sites in the U.S. IMV Market Summary Report Advantages Since 1977, IMV has been a leading supplier of market information to the diagnostic healthcare industry, providing site-specific databases and comprehensive market reports that address the radiology, cardiology and oncology markets. Broad Coverage: Large sample size of 2,565 CT sites to ensure accuracy of analysis and confidence for business decisions. Results were projected to the universe of 7,649 hospitals and non-hospitals that perform CT imaging in the U.S. Data Accessibility: 115+ pages with over 150 graphs and exhibits to help you interpret the data to make better decisions. In-depth Analysis: Drill down from top-level summaries to views by non-hospitals and hospital bed size for key metrics such as procedures, market share, new technology adoption rates and more. Market Trends: 2006 findings are compared with IMV s reports since 1995 to identify trends and emerging business opportunities. Call IMV to order your report today! ( Call your IMV account representative at 847-297-1404 for more information about this or other IMV imaging market reports. Publication date: October, 2006

2006 CT MARKET SUMMARY REPORT Table of Contents I. Objectives... I-1 II. III. IV. Executive Summary... II-1 Methodology... III-1 Findings... IV-1 A. CT Procedure Volume... IV-1 B. Installed Base of CT Scanners...IV-18 C. CT Purchase Plans...IV-32 D. CT Contrast Media and Power Injectors...IV-41 E. Workstations for Processing and Displaying CT Images...IV-64 F. CT Site Operations Characteristics...IV-75

2006 CT MARKET SUMMARY REPORT Exhibits A. CT Procedure Volume 1. Total CT Procedure Volume, Hospital and Non-Hospital Sites, 1995-2006... IV-1 2. Distribution of CT Sites, Procedures and Patient Visits, by Site Type, 2006... IV-1 3. Average CT Procedures Performed per Site, by Site Type, 2001-2006... IV-2 4. Average CT Patient Visits per Site, by Site Type, 2001-2006... IV-3 5. Average CT Procedures per Patient Visit, by Site Type, 2006... IV-3 6. Distribution of CT Sites by CT Procedure Ranges, by Site Type, 2006... IV-4 7. Distribution of CT Sites by CT Patient Visit Ranges, by Site Type, 2006... IV-4 8. CT Procedure Mix, All Sites, 2006... IV-5 9. Distribution of CT Procedures by Type, 2003-2006... IV-5 10. Number of Sites Performing CT Procedures and Mean Annual Procedures per Site Performing, by Procedure Type, 2006... IV-6 11. Percent of Sites Performing CT Procedures, by Procedure Type, 2006... IV-6 12. Percent of Sites Performing CT Procedures, by Procedure Type, 2003-2006... IV-7 13. Percent of Sites Performing Procedures, by CT Procedure Type and Site Type, 2006... IV-8 14. Mean Annual Procedures per Site Performing, by CT Procedure Type and Site Type, 2006... IV-8 15. Estimates of Annual CT Procedure Volume, by Procedure Type, Hospitals and Non-Hospitals, 1994-2006... IV-9 16. CT Inpatient vs. Outpatient Mix, 1994-2006... IV-10 17. CT Inpatient vs. Outpatient Mix, by Site Type, 2006... IV-10 18. Percent of CT Procedures Performed in the Emergency Room, 2003-2006... IV-11 19. Percent of CT Procedures Performed in the Emergency Room, by Site Type, 2006... IV-11 20. Adult vs. Pediatric CT Patient Visit Mix, by Site Type, 2006... IV-12 21. Adult vs. Pediatric CT Procedure/Patient Visit Mix, 2001-2006... IV-12 22. Percent of CT Sites Performing Pediatric Procedures, by Site Type, 2006... IV-13 23. Number of Sites Performing Pediatric CT and Average Annual Patient Visits per Site Performing, by Site Type, 2006... IV-13 24. Distribution of CT Sites by Pediatric CT Patient Visit Ranges, by Site Type, 2006... IV-14 25. Percent of CT Procedures Performed on Obese Patients, 2006... IV-14 26. Plans for Performing CT Angiography from 2006 to 2008, as of 2006 Census Survey... IV-15 27. Percent of Sites Currently Performing or Planning to Perform CT Angiography (CTA) from 2006 to 2008, by Site Type, as of 2006 Census Survey... IV-15 28. Plans for Performing Virtual CT Colonography from 2006 to 2008, as of 2006 Census Survey... IV-16 29. Percent of Sites Currently Performing or Planning to Perform Virtual CT Colonography from 2006 to 2008, by Site Type, as of 2006 Census Survey... IV-16 30. Plans for Performing CT Whole Body Screening from 2006 to 2008, as of 2006 Census Survey... IV-17 31. Percent of Sites Currently Performing or Planning to Perform CT Whole Body Screening from 2006 to 2008, by Site Type, as of 2006 Census Survey... IV-17 B. Installed Base of CT Scanners 1. Distribution of CT Sites and CT Scanners, Hospital and Non-Hospital Sites, as of 2006 Census Survey... IV-18 2. Installed Base of CT Scanners, Hospital and Non-Hospital Sites, by Census Year, 1998/99 to 2006... IV-18 3. Distribution of Sites by Number of CT Scanners Installed, by Site Type, as of 2006 Census Survey... IV-19

4. Percent Distribution of CT Installed Base, by Manufacturer, as of 2006 Census Survey... IV-19 5. Unit Distribution of CT Installed Base by Manufacturer, by Census Year, 2002/03 to 2006... IV-20 6. CT Installed Base, by Manufacturer, by Site Type, as of 2006 Census Survey... IV-20 7. CT Installed Base, by Year of Installation, as of 2006 Census Survey... IV-21 8. CT Installed Base Market Share, by Year of Installation, from 2001 to 2006, as of 2006 Census Survey... IV-21 9. Distribution of CT Scanners, by Detector Type, by Site Type, as of 2006 Census Survey... IV-22 10. Mix of CTs Installed, by Detector Type, by Year of Installation, as of 2006 Census Survey... IV-22 11. Unit Distribution of CT Installed Base by Detector Type, by Census Year, 2002/03 to 2006... IV-23 12. CT Installed Base Market Share, by Detector Type, as of 2006 Census Survey... IV-23 13. Distribution of Installed Multi-Slice CT Scanners, by Number of Slices, by Site Type, as of 2006 Census Survey... IV-24 14. Mix of Multi-Slice CTs Installed, by Number of Slices, by Year of Installation, as of 2006 Census Survey... IV-24 15. Multi-Slice CT Installed Base Market Share, by Number of Slices, as of 2006 Census Survey... IV-25 16. CT Procedures Using Spiral Capability, 2001-2006... IV-26 17. Mean Annual Spiral CT Procedures per Site Performing and Percent of Total Procedures, 2006... IV-26 18. Distribution of Financing Methods for CT Installed Base, by Site Type, as of 2006 Census Survey. IV-27 19. Leased CTs: Manufacturer vs. Leasing Company, by Site Type, as of 2006 Census Survey... IV-27 20. Distribution of Leased CTs: CT Installed Base Market Share by Source of Lease, by Manufacturer of Unit, as of 2006 Census Survey... IV-28 21. Leased CTs: Year in Which the Lease Expires, by Site Type, as of 2006 Census Survey... IV-28 22. Distribution of Sources for CT Service Support, by Site Type, as of 2006 Census Survey... IV-29 23. Distribution of Sources for CT Service Support, by Manufacturer of Installed CT, as of 2006 Census Survey... IV-29 24. Distribution of Sources for CT Service Support, by Year of Installation, as of 2006 Census Survey... IV-30 25. Payment Arrangement for CT Service Support, as of 2006 Census Survey... IV-30 26. Whether CT Sites Currently Have Remote Connection to OEM for Service Support, as of 2006 Census Survey... IV-31 27. Types of Digital Services Provided by the OEM via Remote Connection, as of 2006 Census Survey... IV-31 C. CT Purchase Plans 1. Projected CT Replacement Cycle, Based on 2006 CT Census Survey Responses... IV-32 2. Estimated Annual First Buyer, Replacement and Additional CT Units, 2007-2011... IV-32 3. Planned Multi-Slice CT Scanners, by Number of Slices, by Site Type, as of 2006 Census Survey... IV-33 4. Future Plans to Purchase CT with CT/PET or CT/SPECT Capability, as of 2006 Census Survey... IV-33 5. Plans for New and Refurbished CT Scanners, by Site Type, as of 2006 Census Survey... IV-34 6. Plans for Replacement vs. Additional CT Scanners, by Site Type, as of 2006 Census Survey... IV-34 7. Percent Distribution of Sites Mentioning Manufacturers Considered for Next CT Purchase, as of 2006 Census Survey... IV-35 8. Brand Loyalty: CT Scanner Vendor Being Considered by Current CT Installed Base, as of 2006 Census Survey... IV-36 9. Intended Financing Methods for Next CT Acquisition, by Site Type, as of 2006 Census Survey... IV-37 10. Distribution of Planned CT Scanners, by Service Support Type, as of 2006 Census Survey... IV-37 11. Distribution of 2006 CT Equipment Budgets, All CT Sites... IV-38 12. CT Equipment Budget Trend, 2000-2006... IV-38 13. Distribution of 2006 CT Equipment Budgets, by Site Type... IV-39 14. Average CT Equipment Budget per Site Having Budgets >$0, by Site Type, 2000-2006... IV-39 15. Buying Group Influence on CT Equipment Purchases, All Sites, as of 2006 Census Survey... IV-40 16. Buying Group Influence on CT Equipment Purchases, Hospital and Non-Hospital Sites, as of 2006 Census Survey... IV-40

D. CT Contrast Media and Power Injectors 1. Distribution of CT Procedures, by Use of Contrast Media, 1996 to 2006... IV-41 2. Annual CT Procedure Volume, by Use of Contrast Media, 1996 to 2006... IV-41 3. Distribution of CT Procedures by Use of Contrast Media and Contrast Media Type, 2006... IV-42 4. Trend in Percent of CT Procedures Using Contrast Media, 2002-2006... IV-42 5. Percent of CT Procedures Using Contrast Media, Hospitals and Non-Hospitals, 2006... IV-43 6. Percent of CT Sites Using Contrast Media, by Contrast Media Type, Hospitals and Non-Hospitals, as of 2006 Census Survey... IV-43 7. Average CT Procedures per Site Using Contrast, by Contrast Media Type, by Site Type, 2006... IV-44 8. Distribution of CT Procedures Using Contrast, by How Injectable and/or Oral Contrast Media is Administered, 2006... IV-44 9. Distribution of CT Injectable Contrast Procedures Using Ionic vs. Non-Ionic Media, 1996 to 2006... IV-45 10. Annual Volume of CT Injectable Contrast Procedures Using Ionic vs. Non-Ionic Media, 1996 to 2006... IV-45 11. Percent of CT Sites Using Injectable Contrast, by Use of Ionic vs. Non-Ionic Media, by Site Type, as of 2006 Census Survey... IV-46 12. Percent of All CT Sites Using Ionic and Non-Ionic Injectable Contrast Media, by Census Year, 2001 to 2006... IV-46 13. Average CT Injectable Contrast Procedures per Site Using Ionic vs. Non-Ionic Contrast Media, by Site Type, 2006... IV-47 14. Distribution of CT Oral Contrast Procedures, by Oral Contrast Used, Hospital and Non-Hospital Sites, 2006... IV-47 15. Distribution of CT Oral Contrast Procedures, by Oral Contrast Used, 2001 to 2006... IV-48 16. Percent of CT Oral Contrast Sites, by Oral Contrast Used, by Site Type, as of 2006 Census Survey... IV-48 17. Average CT Procedures Using Oral Contrast per Site Using that Oral Contrast Type, by Site Type, 2006... IV-49 18. Distribution of 2006 CT Contrast Media Budgets, All Sites... IV-49 19. CT Contrast Media Budget Trend, 1996-2006... IV-50 20. Distribution of 2006 CT Contrast Media Budgets, by Site Type... IV-50 21. Average CT Contrast Media Expenditure per Contrast Procedure, by Site Type, by Census Year, 2001 to 2006... IV-51 22. CT Contrast Media Expenditures, Hospital and Non-Hospital Sites, 1996-2006... IV-51 23. Distribution of 2006 CT Contrast Expenditures for Oral vs. Injectable Contrast Media... IV-52 24. Market Share Trend of Expenditures for CT Contrast Media Vendors, 1996-2006... IV-52 Distribution of 2006 CT Injectable Contrast Media Expenditures, by Contrast Agent Brand... IV-53 25. CT Sites Mentioning Expenditures for Injectable Contrast Agents, by Manufacturer, as of 2006 Census Survey... IV-53 26. Average CT Contrast Media Expenditure per Injectable Contrast Procedure, by Site Type, by Census Year, 2002/03 to 2006... IV-54 27. Buying Group Influence on CT Contrast Media Purchases, All Sites, as of 2006 Census Survey... IV-55 28. Buying Group Influence on CT Contrast Media Purchases, Hospital and Non-Hospital Sites, as of 2006 Census Survey... IV-55 29. Percent of CT Sites Using at Least One Power Injector, by Census Year, 1998/99 to 2006... IV-56 30. Distribution of CT Power Injector Sites, by Number of CT Power Injectors Installed, by Site Type, as of 2006 Census Survey... IV-56 31. Proportion of CT Procedures Using Power Injectors, as of 2006 Census Survey... IV-57 32. Proportion of CT Procedures Using Power Injectors, 2002 to 2006... IV-57 33. Percent Distribution of CT Power Injectors, by Manufacturer, by Census Year, 1998/99 to 2006... IV-58 34. CT Power Injector Units Installed, by Year of Installation, as of 2006 Census Survey... IV-58 35. CT Power Injector Installed Base Market Share, by Year of Installation, from 2001 to 2006, as of 2006 Census Survey... IV-59

36. Distribution of CT Power Injectors, by Single vs. Dual Head Capability, by Site Type, as of 2006 Census Survey... IV-59 37. CT Power Injector Installed Base Market Share, by Single vs. Dual Head Capability, as of 2006 Census Survey... IV-60 38. Mix of Single vs. Dual Head CT Power Injectors, by Year of Installation, as of 2006 Census Survey... IV-60 39. Purchase Plans for CT Power Injectors Over Next Three Years, as of 2006 Census Survey... IV-61 40. CT Sites That Have or Plan to Acquire Power Injectors, by Site Type, as of 2006 Census Survey... IV-61 41. Percent Distribution of CT Sites Mentioning Manufacturers Considered for Future CT Power Injector Purchases, as of 2006 Census Survey... IV-62 42. Brand Loyalty: CT Power Injector Vendor Being Considered by Current CT Power Injector Installed Base, as of 2006 Census Survey... IV-62 43. Distribution of Planned CT Power Injectors, by Whether or Not Considering Features to Limit Extravasations, as of 2006 Census Survey... IV-63 44. Distribution of Planned CT Power Injectors, by Whether or Not Considering Dual Head Capability, as of 2006 Census Survey... IV-63 E. Workstations for Processing and Displaying CT Images 1. Percent of CT Sites with Workstations Used for Processing and Displaying CT Images, by Site Type, as of 2006 Census Survey... IV-64 2. Percent of CT Sites with Workstations Used for Processing and Displaying CT Images, by Census Year, 2002/03 to 2006... IV-64 3. Distribution of CT Sites, by Number of Workstations Used for CT Images, by Site Type, as of 2006 Census Survey... IV-65 4. Distribution of CT Workstations, by Use for CT Images Only vs. CT & MRI Images, by Site Type, as of 2006 Census Survey... IV-65 5. Distribution of CT Sites with Workstations, by Whether Their Workstations are Used to Process Images from Other Modalities, by Site Type, as of 2006 Census Survey... IV-66 6. Distribution of CT Sites with Workstations, by Whether Their Workstations are Used to Process Images Acquired Off-Site, by Site Type, as of 2006 Census Survey... IV-66 7. Software Vendor Presence in CT Sites with Workstations Used for CT Images, as of 2006 Census Survey... IV-67 8. Percent Distribution of CT Workstations with Software Used for 3D Processing, by Site Type, as of 2006 Census Survey... IV-68 9. Software Vendor Presence in CT Sites with Workstations Used for 3D Image Processing, as of 2006 Census Survey... IV-68 10. Percent of CT Workstations Capable of CT Virtual Colonography, by Site Type, as of 2006 Census Survey... IV-69 11. Software Vendor Presence in CT Sites with Workstations Used for CT Virtual Colonography, as of 2006 Census Survey... IV-69 12. Purchase Plans for Workstations to Process CT Images Over Next Three Years, as of 2006 Census Survey... IV-70 13. Distribution of CT Sites Planning to Purchase Workstations for CT Images, by Number of Workstations Planned, by Site Type, as of 2006 Census Survey... IV-70 14. Distribution of Planned CT Workstations, by Planned Use with CT Images Only vs. CT & MRI Images, as of 2006 Census Survey... IV-71 15. Distribution of CT Sites Planning to Acquire Workstations, by Whether the Workstations Will Be Used to Process Images from Other Modalities, as of 2006 Census Survey... IV-71 16. Distribution of CT Sites Planning to Acquire Workstations, by Whether the Workstations Will Be Used to Process Images Acquired Off-Site, as of 2006 Census Survey... IV-72 17. CT Sites Planning to Acquire Image Processing Software Over Next Three Years, as of 2006 Census Survey... IV-72

18. Planned Image Processing Software Purchase Intentions, by Use for New Workstations, Existing Workstations, or Both, by Site Type, as of 2006 Census Survey... IV-73 19. Planned Image Processing Software Purchase Intentions, by Use for 3D Processing, by Site Type, as of 2006 Census Survey... IV-73 20. Planned Image Processing Software Purchase Intentions, by Use for Virtual Colonography, by Site Type, as of 2006 Census Survey... IV-74 21. Percent Distribution of CT Sites Mentioning Vendors Considered for Next Purchase of CT Image Processing Software, as of 2006 Census Survey... IV-74 F. CT Site Operations Characteristics 1. Respondent s Department in 2006 CT Census Survey... IV-75 2. Average CT Procedures per CT Scanner, by Site Type, 2001-2006... IV-75 3. Percent of CT Sites with Staff Types, by Site Type, as of 2006 Census Survey... IV-76 4. Mean FTE Staff per CT Site Having that Type, by Site Type, as of 2006 Census Survey... IV-76 5. Mean Technologist FTEs per CT Site, Hospital and Non-Hospital Sites, by Census Year, 2001 to 2006... IV-77 6. Average Annual CT Procedures per Technologist FTE, Hospital and Non-Hospital Sites, 2001-2006... IV-77 7. Average Annual CT Procedures per Technologist vs. Total Staff FTE, Hospital and Non-Hospital Sites, 2006... IV-78 8. Percent of CT Sites Having Physicians and Average Number of Physicians per Site Having, by Full- or Part-Time Status, as of 2006 Census Survey... IV-78 9. Average Number of Radiologists Reading CT Scans per Site Having, by Full- or Part-Time Status, by Site Type, as of 2006 Census Survey... IV-79 10. Distribution of Sites, by Total Radiologists that Read CT Scans, by Site Type, as of 2006 Census Survey... IV-79 11. Average Annual CT Scans Read per Radiologist, by Site Type, as of 2006 Census Survey... IV-80 12. Percent of CT Sites that Send CT Images to an Off-Site Radiology Service to be Read, by Site Type, as of 2006 Census Survey... IV-80 13. Hours per Weekday CT Department Open for Scheduled Procedures, by Site Type, as of 2006 Census Survey... IV-81 14. Total Hours per Weekend CT Department Open for Scheduled Procedures, by Site Type, as of 2006 Census Survey... IV-81 15. Hours per Weekday CT Department Open, Including On-Call, by Site Type, as of 2006 Census Survey... IV-82 16. Hours per Weekend CT Department Open, Including On-Call, by Site Type, as of 2006 Census Survey... IV-82 17. 2006 CT Procedures per Thousand Population, by State... IV-83