Table 1.
Results from the Geometric Accuracy Test from T1-weighted Images. ACR specifies that lengths should be with ± 2 mm of actual length shown in first column.
| Length (mm) | N | Mean | Standard Deviation | Min | Max | Coefficient Variation |
|---|---|---|---|---|---|---|
| P1 148 | 259 | 146.91 | 1.27 | 140.00 | 149.50 | 0.87 |
| P2 190 | 260 | 189.84 | 1.06 | 182.00 | 192.00 | 0.56 |
| P3 190 | 260 | 189.94 | 0.78 | 186.00 | 192.00 | 0.41 |
| P4 190 | 260 | 189.92 | 0.91 | 185.00 | 192.00 | 0.48 |
| P5 190 | 260 | 189.85 | 1.05 | 180.10 | 193.00 | 0.55 |
| P6 190 | 260 | 189.71 | 0.93 | 186.40 | 192.40 | 0.49 |
| P7 190 | 260 | 189.78 | 0.83 | 186.90 | 192.00 | 0.44 |