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Table 2 Dose to the organs at risk for all patients and all fractions

From: Dosimetric benefit of an adaptive treatment by means of plan selection for rectal cancer patients in both short and long course radiation therapy

 Dose per fractionMedian values (range)p-value
ARTNon-ART
LCRT (25 × 2 Gy)
 BladderV15Gy(%)99.8 (87.6–100.0)100.0 (85.6–100.0)<  0.001
V30Gy(%)43.0 (12.6–99.3)49.6 (19.1–96.8)<  0.001
V40Gy(%)22.8 (1.8–91.1)29.0 (4.2–85.3)<  0.001
V45Gy(%)15.0 (0.2–87.0)21.8 (0.4–77.6)<  0.001
V95%(%)10.8 (0.0–82.2)17.8 (0.0–72.4)<  0.001
Dmean(Gy)1.2 (0.9–2.0)1.3 (1.0–1.9)<  0.001
 Small BowelV15Gy(cm3)847 (332–1447)853 (294–1363)0.001
V30Gy(cm3)309 (119–554)309 (120–557)0.542
V40Gy(cm3)205 (99–431)214 (99–434)<  0.001
V45Gy(cm3)179 (93–381)187 (90–390)<  0.001
V95%(cm3)160 (83–358)170 (82–366)<  0.001
SCRT (5 × 5 Gy)
 BladderV15Gy(%)29.7 (5.7–58.6)33.8 (9.9–60.5)0.001
V95%(%)4.4 (0.0–16.4)7.1 (0.0–27.7)0.013
Dmean(Gy)2.7 (2.1–3.5)2.8 (2.3–3.6)0.001
 Small BowelV15Gy(cm3)329 (139–456)317 (137–477)0.237
V95%(cm3)176 (87–274)191 (93–275)0.135
  1. Total dose V15Gy, V30Gy, V40Gy, V45Gy for LCRT corresponding to fraction dose V0.6Gy, V1.2Gy, V1.6Gy, V1.8Gy respectively and V15Gy total dose for SCRT corresponding to V3.0Gy fraction dose