From: Risk factors of grade ≥ 2 radiation pneumonitis after gemcitabine induction chemotherapy for patients with non-small cell lung cancer
Factors
Multivariable analysis
HR
95% CI
P
Lung V5
>44 Vs ≤44
1.87
0.82–4.27
0.14
Lung V20
>24 Vs ≤24
1.68
0.59–4.80
0.33
Lung V30
>14.2 Vs ≤14.2
2.92
1.10–7.74
0.03
MLD
>1226 cGy Vs ≤1226 cGy
0.49
0.15–1.56
0.23