Table 1 Dosimetry comparison for the PTV of RP group and NP group (mean ± SD).

From: Systematic quantitative evaluation of Plan-IQ for intensity-modulated radiation therapy after modified radical mastectomy

PTV

n

RP group

NP group

t

P

VRX

50

94.37 ± 0.88

94.79 ± 0.93

− 4.57

0.00a

CI

50

0.66 ± 0.05

0.72 ± 0.04

− 12.99

0.00a

HI

50

0.13 ± 0.02

0.1 ± 0.02

− 6.14

0.00b

V55

50

1.97 ± 1.82

0.19 ± 0.31

− 6.14

0.00b

Dmean

50

52.45 ± 0.33

51.9 ± 0.24

− 6.14

0.00b

  1. *a = Paired t test, *b = Nonparametric Wilcoxon test, P < 0.05.
  2. Bold values indicates that the difference is statistically significant (P<0.05)