Table 4 Muscles surrounding the scapular volume ratio of affected and unaffected using CT scan.

From: Changes in Pectoral Muscle Volume During Subacute Period after Radiation Therapy for Breast Cancer: A Retrospective up to 4-year Follow-up Study

Case

Just before RT

Immediately after RT

2 month after RT

6 month after RT

2 years after RT

3~4 years after RT

1

1.145

1.112

1.147

1.328

1.218

1.244

2

1.090

1.058

1.123

1.117

1.036

1.147

3

1.129

1.027

1.072

1.074

0.979

0.822

4

1.053

1.058

1.189

1.214

1.140

1.107

5

0.989

1.032

1.012

0.990

0.924

0.903

6

0.962

0.979

1.006

0.955

1.018

0.983

7

1.114

1.105

1.049

1.005

1.102

0.820

8

1.122

1.104

1.067

1.089

1.032

1.084

9

1.010

1.006

1.011

1.124

1.098

0.936

10

1.145

1.084

1.030

1.009

0.950

1.064

11

0.996

1.050

0.973

1.040

0.998

1.021

12

1.043

0.925

0.918

0.977

0.933

0.879

13

0.910

0.970

0.980

1.055

1.178

1.142

14

1.060

1.069

1.056

0.966

0.998

1.116

15

1.082

1.001

1.000

1.078

1.137

1.112

16

0.993

0.872

0.864

0.906

1.043

0.910

17

1.102

1.005

0.968

0.886

0.894

0.972

18

1.074

1.045

1.079

1.164

1.092

1.077

19

1.109

1.006

0.989

1.086

1.045

0.994

20

0.896

0.895

0.952

0.906

1.059

0.890

21

1.011

0.992

0.980

1.055

1.070

1.092

22

1.102

1.010

1.000

0.984

1.073

1.095

Mean ± SD

1.052 ± 0.072

1.018 ± 0.064

1.021 ± 0.074

1.046 ± 0.105

1.046 ± 0.823

1.019 ± 0.115

  1. RT radiotherapy to the trunk, CT computed tomograph.
  2. SD: standard deviation.
  3. F value and p value for repeated measures ANOVA are 1.184 and 0.322, respectively (degree of freedom = 5, sphericity assumed).
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