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Median treatment parameters with interquartile range
| Treatment parameters | No recurrence | Recurrence | P-value |
|---|---|---|---|
| Target volume (cm3) | 5.17 (3.43-8.77) | 6.65 (5.83-9.52) | .24 |
| Prescription isodose volume (cm3) | 7.02 (4.44-10.72) | 8.53 (7.78-12.01) | .26 |
| Quadratic mean diameter (cm) | 2.50 (2.08-2.96) | 2.37 (2.35-3.05) | .41 |
| Conformity index | 1.31 (1.20-1.41) | 1.26 (1.18-1.43) | .80 |
| Modified conformity index | 1.28 (1.18-1.40) | 1.22 (1.15-1.43) | .59 |
| Dose (Gy) | 17 (16-18) | 16.5 (16-17) | .13 |
