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Table 3 The OARs low dose multi-comparison analysis for all studied techniques (mean ± SD). Mean values with ǂ symbol demonstrate that the corresponding technique did not pass the normality test. Friedman test of significance (p < 0.05) was used in these cases; otherwise, repeated measures ANOVA significance test was used

From: Comparison of breast simultaneous integrated boost (SIB) radiotherapy techniques

N = 12   T-2F T-NC T-VMAT f-VMAT
ILung V 5 (%) 32.0 ± 5.4c 37.9 ± 5.2bc 35.1 ± 4.6b 52.1 ± 6.3a
  V 10 (%) 20.8 ± 4.5b 21.0 ± 4.1b 21.9 ± 3.9ǂ b 25.0 ± 2.7ǂ a
Heart (Lt.) V 5 (%) 6.9 ± 3.4b 7.7 ± 3.3b 10.9 ± 5.0b 22.0 ± 5.6a
  V 10 (%) 3.3 ± 2.6a 2.6 ± 1.9a 3.6 ± 2.2ǂ a 3.3 ± 1.6a
Heart (Rt.) V 5 (%) 0.5 ± 0.3a 0.5 ± 0.9ǂ a 1.5 ± 1.5a 0.7 ± 0.7a
  V 10 (%) 0* a 0* a 0* a 0* a
CBreast V 5 (%) 0.5 ± 0.7ab 0.0 ± 0.1ǂ b 0.4 ± 0.5ǂ a 0.6 ± 0.8 a
  V 10 (%) 0* a 0* a 0* a 0* a
CLung V 5 (%) 0.2 ± 0.5ǂ ab 0.0 ± 0.0ǂ b 0.1 ± 0.3ǂ ab 0.4 ± 0.5ǂ a
  V 10 (%) 0* a 0* a 0* a 0* a
  1. a,b,c,d Values having the same superscript in the same horizontal line are not significantly different
  2. V5 and V10 are volumes receiving 5 Gy and 10 Gy respectively