Table 4 Outlines the conformity and homogeneity indices for each group
Parameters | Group I (65 Gy) | Group II (73 Gy) | Group III (82 Gy) | I vs II | I vs III |
|---|---|---|---|---|---|
Dose metric values | Mean ± SD | Mean ± SD | Mean ± SD | % Diff (p-value) | % Diff (p-value) |
CI(PTV65) | 1.07 ± 0.03 | 1.06 ± 0.03 | 1.05 ± 0.03 | − 0.9% (p = 0.17) | − 1.9% (p = 0.15) |
CI(PTVAll) | 1.38 ± 0.09 | 1.41 ± 0.08 | 1.42 ± 0.08 | + 2.2% (p = 0.33) | + 2.9% (p = 0.37) |
HI (PTV65) | 1.07 ± 0.01 | 1.14 ± 0.03 | 1.27 ± 0.05 | + 6.5% (p < 0.02) | + 18.7% (p < 0.02) |
HI (PTV65-GTV) | 1.07 ± 0.01 | 1.10 ± 0.01 | 1.20 ± 0.02 | + 2.8% (p < 0.02) | + 12.1% (p < 0.02) |
HI (GTV) | 1.05 ± 0.01 | 1.03 ± 0.01 | 1.04 ± 0.01 | − 1.9% (p < 0.02) | − 1.0% (p < 0.02) |
HI (PTV54) | 1.12 ± 0.02 | 1.11 ± 0.01 | 1.12 ± 0.01 | − 0.9% (p = 0.60) | 0.0% (p = 0.62) |