Table 4 Unary and multiple linear regression analysis of the relationship between predictive factors MHD, CTR, V_PTV, CLD and heart, and LAD dose volume

MHD

R²

0.24

0.4

0.16

0.16

0.14

0.24

0.13

95%CI

1.87–4.19

1.23–3.39

140.25–408.38

140.25–408.38

65.4–214.5

32.43–179.09

2428.65–8326.54

P

0.000

0.000

0.000

0.000

0.000

0.005

0.000

B

0.48

0.37

0.4

0.4

0.37

0.28

0.36

CTR

R²

0.19

0.05

0.06

95%CI

18.5–47.30

144.5–3581

164.89–2043.73

P

0.000

0.034

0.022

B

0.436

0.22

0.24

V_lung

R²

0.27

0.4

0.08

0.16

0.24

0.14

0.21

95%CI

 − 0.01–0.005

 − 0.01–0.004

 − 0.88–0.16

 − 0.58–0.21

 − 0.51–0.13

 − 1.81–0.55

 − 2.41–0.79

P

0.000

0.000

0.006

0.000

0.001

0.000

0.000

B

 − 0.52

 − 0.42

 − 0.29

 − 0.41

 − 0.33

 − 0.37

 − 0.46

V_PTV

R²

0.06

0.13

95%CI

0.03–0.35

 − 1.42–0.41

P

0.020

0.001

B

0.24

-0.36

V_heart

R²

0.09

95%CI

0.37—3.89

P

0.019

B

0.31