Table 4.
Statistical comparisons of plan quality endpoints of GK vs. SmartArc and GK vs. HyperArc for this study†
| GK | SmartArc | p-value | GK | HyperArc | p-value | ||
|---|---|---|---|---|---|---|---|
| Target ≤ 0.4 (cc) | RTOG CI | 1.68 | 1.85 | 0.0013 | 1.68 | 1.46 | 0.032 |
| NT V 12Gy (cc) | 0.70 | 1.25 | 0.0019 | 0.7 | 0.79 | 0.1923 | |
| GI | 3.75 | 6.62 | 0.0041 | 3.75 | 4.96 | 0.0284 | |
| V 4.5Gy (cc) | 2.58 | 6.82 | 0.0050 | 2.58 | 6.26 | 0.0065 | |
| Target > 0.4 (cc) | RTOG CI | 1.59 | 1.36 | <0.0001 | 1.59 | 1.23 | <0.0001 |
| NT V 12Gy (cc) | 3.87 | 3.04 | <0.0001 | 4.06 | 3.57 | <0.0001 | |
| GI | 3.19 | 3.30 | 0.5297 | 3.19 | 3.30 | 0.2969 | |
| V 4.5Gy (cc) | 17.55 | 16.04 | 0.0152 | 17.55 | 13.52 | <0.0001 |
†Median values were shown.