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Table 4 Dosimetric parameter of VC group versus DC group

From: Risk factors of radiation-induced acute esophagitis in non-small cell lung cancer patients treated with concomitant chemoradiotherapy

Factors VC group (n = 36) DC group (n = 34) t p value
Dmean (Gy) 26.2 ± 9.7 22.6 ± 8.5 1.626 0.108
Dmax (Gy) 67.1 ± 5.3 65.2 ± 9.3 1.074 0.288
V20 (%) 48.2 ± 16.2 41.9 ± 13.2 1.782 0.079
V30 (%) 40.6 ± 16.9 33.7 ± 13.7 1.868 0.066
V40 (%) 34.2 ± 16.4 27.6 ± 15.3 1.727 0.089
V50 (%) 28.3 ± 16.2 21.6 ± 16.1 1.747 0.085
V60 (%) 19.2 ± 14.9 14.2 ± 14.6 1.424 0.159
  1. Abbreviations: VC vinorelbine/cisplatin, DC docetaxel/cisplatin, Dmax the maximum dose of the esophagus, Dmean the mean dose of the esophagus, V20,30,40,50,60 = relative esophageal volume for radiation dose ≥20,30,40,50,60 Gy, respectively.