| 3.0-T | 1.5 T | Difference |
---|---|---|---|
Interpolated Pixel Size [mm 2 ] | 0.25 mm × 0.25 mm = 0.0625 mm2 | 0.3 mm × 0.3 mm = 0.09 mm2 | -31% |
Scan Range [mm] | 30 | 24 | + 25% |
Total Scan Time [minutes] | 13:05 Protocol CM- 22:43 Protocol CM+ | 19:30 CM- 31:30 CM+ | -33% -28% |
Scan Time per Slice [seconds] | Â | Â | Â |
T1w | 18.5 | 35.0 | -47% |
PD/T2w | 6.1 | 15.0 | -59% |
TOF | 4.8 | 9.6 | -50% |
Non-Diagnostic Exams [%] | 1/38 [2.6%] | 27/252 [10.7%] | Â |
PAT factor | 2 DCE = 4 | 1 | +100% |
Coefficient of Variation | Â | Â | Â |
   a.) Lumen Area | 1.5% | 4.3% |  |
   b.) Wall Area | 4.5% | 5.8% |  |
   c.) Total Vessel Area | 1.9% | 3.3% |  |
   d.) NWI | 3.0% | n.a. |  |
ICC (95% CI) | Â | Â | Â |
   a.) Lumen Area | 1.00 (0.99-1.00) | 0.99 (0.98-1.00) |  |
   b.) Wall Area | 0.98 (0.93-1.00) | 0.97 (0.95-0.99) |  |
   c.) Total Vessel Area | 1.00 (0.99-1.00) | 0.98 (0.97-1.00) |  |
   d.) NWI | 0.88 (0.60-0.97) | n.a. |  |