Table 5.

Regression analysis of the factors associated with pneumonitis

Variables	Odd ratio (95% C.I.)	P‐value
Age (≥65 vs. <65)	2.10 (0.29–15.0)	0.454
ECOG PS (0 vs. ≥ 1)	0.57 (0.05–6.98)	0.661
Smoking status (smoker/ex‐smoker vs. non‐smoker)	1.65 (0.16–17.5)	0.679
Chemotherapy agent (docetaxel vs. vinorelbine)	0.75 (0.10–6.57)	0.776
PD‐L1 TPS (positive vs. negative)	0.33 (0.03–3.20)	0.341
NLR (low vs. high)	2.50 (0.35–21.9)	0.362