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Table 1 2D / 3D γ pass rates at different left and right breast cancer thresholds [M(P25, P75)]

From: Validation of in vivo dose using EPID combined with fan-beam CT guidance in post-breast-conserving radiotherapy for early-stage breast cancer

 

N-IGRT group(%)

IGRT group(%)

FBCT group(%)

All group(%)

left breast cancer

2D 3%/3 mm

88.51

(83.04, 92.41)

92.99

(90.86, 95.15)

93.32

(88.61, 97.46)

89.66

(84.28, 93.51)

2D 5%/3 mm

93.87

(88.93, 96.31)

96.96

(95.29, 98.22)

98.02

(94.86, 99.38)

94.77

(90.03, 97.04)

3D 3%/3 mm

89.53

(84.34, 93.18)

92.53

(88.34, 96.64)

93.93

(88.22, 96.80)

90.35

(85.08, 94.00)

3D 5%/3 mm

95.38

(91.16, 97.81)

98.31

(94.15, 99.33)

98.84

(95.53, 99.54)

95.93

(91.84, 98.36)

right breast cancer

2D 3%/3 mm

87.49

(80.22, 91.86)

91.52

(86.00, 95.02)

92.03

(97.37, 96.13)

88.60

(82.46, 93.26)

2D 5%/3 mm

92.69

(87.94, 96.33)

96.19

(92.88, 98.19)

97.35

(95.75, 98.68)

93.62

(89.13, 96.64)

3D 3%/3 mm

85.39%

(81.23, 90.44)

89.33

(86.44, 95.97)

92.21

(86.55, 96.49)

86.41

(82.02, 90.89)

3D 5%/3 mm

92.26

(88.36, 96.23)

96.10

(93.87, 99.23)

98.54

(96.36, 99.41)

93.42

(89.66, 96.93)

  1. Note: The N-IGRT group refers to the subset in which no image guidance was performed, Analyze theγpass rate of EPID and PlanCT; The IGRT group refers to the subset in which image guidance was performed, Analyze theγpass rate of EPID and PlanCT; The FBCT group refers to the subset in which the FBCT image of the same day was used as the reference image for comparison, Analyze theγpass rate of EPID and PlanFBCT, The All group:γpass rate analysis of N-IGRT group and IGRT group after integrating all data