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Table 2 Percentage agreement and Kappa scores for each rating system

From: Cosmetic outcome as rated by patients, doctors, nurses and BCCT.core software assessed over 5 years in a subset of patients in the TARGIT-A Trial

Time-point

Patient vs. Doctor

Patient vs. Nurse

Patient vs. BCCT

Doctor vs. Nurse

Doctor vs. BCCT

BCCT vs. Nurse

% agree

(n†)

Kappa

(p-value)

% agree

(n†)

Kappa

(p-value)

% agree

(n†)

Kappa

(p-value)

% agree

(n†)

Kappa

(p-value)

% agree

(n†)

Kappa

(p-value)

% agree

(n†)

Kappa

(p-value)

BL

80.8

(99)

0.09

(0.59)

84.1

(107)

0.19

(0.05)

74.5

(98)

−0.07

(0.67)

88.3

(112)

0.07

(0.40)

85.1

(101)

0.15

(0.14)

81.8

(110)

− 0.01

(1.00)

Yr1

78.5

(93)

0.31 (0.006)**

78.8

(104)

0.37

(0.001)**

69.1

(97)

0.22

(0.034*)

83.3

(102)

0.46

(< 0.001)**

68.4

(95)

0.16

(0.15)

73.8

(107)

0.35

(< 0.001)**

Yr2

79.6

(98)

0.26

(0.018)*

70.8

(96)

0.12

(0.35)

63.3

(79)

−0.06

(0.75)

73.5

(102)

0.09

(0.46)

76.7

(86)

0.21

(0.048)*

75.3

(89)

0.31

(0.005)**

Yr3

73.2

(71)

−0.05

(1.00)

73.1

(78)

0.11

(0.45)

73.2

(41)

−0.01

(1.00)

73.8

(80)

0.17

(0.14)

80.8

(47)

0.22

(0.16)

76.0

(50)

0.35

(0.020)*

Yr4

81.1

(74)

0.20

(0.099)

78.9

(71)

0.01

(1.00)

66.7

(27)

−0.13

(0.60)

85.4

(82)

0.17

(0.17)

66.7

(27)

−0.13

(0.60)

72.4

(29)

0.25

(0.31)

Yr5

78.4

(51)

0.34

(0.027)*

75.0

(44)

0.27

(0.17)

–

–

80.4

(56)

0.24

(0.11)

–

–

–

–

Average Agreement

78.6

 

76.8

 

69.4

 

80.8

 

75.9

 

75.9

 
  1. **statistically significant at the p < 0.01 level; *statistically significant at the p < 0.05 level; †Number of scores available out of n = 126, not number of scores in agreement
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Radiation Oncology

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