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Table 2 DVH statistics

From: Intensity-Modulated Radiotherapy in Patients with Cervical Cancer. An intra-individual Comparison of Prone and Supine Positioning

  Small bowel Rectum Bladder
  PP SP PP SP PP SP
Volume (cc) 1686.1 ± 368.7* 1250.6 ± 283.0 96.8 ± 34.9 71.2 ± 18.2 137.0 ± 93.4 143.9 ± 98.3
D mean (Gy) 25.9 ± 3* 30.5 ± 4.5 40.3 ± 12.5 39.2 ± 3.5 43.1 ± 2.8 44.2 ± 2.7
V10 (%) 91.5 ± 4.7 92.0 ± 10.5 98.6 ± 2.1 88.5 ± 6.6 * 100.0 ± 0 99.9 ± 0.4
V20 (%) 60.4 ± 11.0 * 76.4 ± 15.1 97.6 ± 2.9 85.2 ± 7.2 * 99.1 ± 1.9 98.8 ± 3.7
V30 (%) 32.7 ± 9.5 * 50.4 ± 13.9 96.5 ± 3.7 81.9 ± 7 * 92.1 ± 7.9 95.5 ± 7.4
V40 (%) 18.2 ± 5.8 * 28.4 ± 7.8 79.4 ± 11.2 69.5 ± 8.9 * 72.3 ± 15.0 77.4 ± 14.6
V45 (%) 13.7 ± 4.5 * 20.3 7 ± 5.5 61.3 ± 15.3 54.6 ± 12.7 53.3 ± 12.8 56.7 ± 15.0
V50.4 (%) 2.5 ± 1.2 * 4.0 ± 1.1 4.2 ± 4 4.6 ± 8.3 4.0 ± 4.6* 12.9 ± 16.1
  1. Summary of DVH statistics for SB, rectum, bladder in PP and SP for both IMRT plans, mean values ± STD. * p ≤ 0.05 Wilcoxon signed rank test (exact) SPSS V15.