Table 3.
Wilcoxon signed ranks test of the RPC sagital film plane and VPP gamma indexes mean values
| 3%/3 mm (%) [SD] | p value | 5%/5 mm (%) [SD] | p value | 7%/4 mm (%) [SD] | p value | |
|---|---|---|---|---|---|---|
| |
|
0.02 |
|
0.21 |
|
0.08 |
| RPC (RPCPH) |
82.7 [10.2] |
|
96.1 [5.3] |
|
98.0 [2.6] |
|
| VPP (INSTPH) | 93.5 [5.4] | 98.9 [1.5] | 99.4 [1.2] |
Abbreviations: RPC: Radiological Physics Center; VPP: Virtual Phantom Project.