Details of PET Centers, Scanners Used, Acquisition Protocol, and Subject Numbers
| PET center | Scanner model | Reported in-plane spatial resolution | Acquisition protocol (frame sequence) | No. of subjects in study* | ||
|---|---|---|---|---|---|---|
| FWHM (mm) | Reference | |||||
| United Kingdom | ECAT HR++ | 4.5 | 11 | 26 frames; higher frame frequency acquisition initially, 95-min duration | 34 baseline scans: 16 r, 18 l | |
| Hammersmith | Outcome population: 12 r, 12 l | |||||
| France | ECAT HR+ | 4.6 | 12 | 9 frames; frame frequency acquisition constant throughout, 90-min duration | 39 baseline scans: 19 r, 20 l | |
| Orsay | Outcome population: 17 r, 16 l | |||||
| United States | ECAT EXACT47 | 6.0 | 13 | 29 frames; higher frame frequency acquisition initially, 120-min duration | 39 baseline scans: 19 r, 18 l | |
| Atlanta | Outcome population: 15 r, 11 l | |||||
| Germany | ECAT EXACT47 | 6.0 | 13 | 9 frames; frame frequency acquisition constant throughout, 90-min duration | 25 baseline scans: 15 r, 10 l | |
| Ulm | Outcome population: 10 r, 6 l | |||||
| Canada | ECAT 953B | 4.8 | 14 | 25 frames; higher frame frequency acquisition initially, 95-min duration | 20 baseline scans; 11 r, 9 l | |
| UBC | Outcome population: 10 r, 7 l | |||||
| Canada | ECAT ART | 6.2 | 15 | 58 frames; frame frequency acquisition constant throughout, 150-min duration | 15 baseline scans; 5 r, 10 l | |
| McMaster | Outcome population: 4 r, 7 l | |||||
↵* Subjects undergoing baseline scans at each center and subjects from each center in primary outcome population (after patient withdrawals).
FWHM = full width at half maximum; r = ropinirole; l = l-DOPA; UBC = University of British Columbia.
Data format versions used for each scanner were CTI proprietary formats, either ECAT6 or ECAT7.