Table 1.

Patient characteristics

N	73
Age < 75 >, 75 <)	58/15
Sex (F/M)	15/58
Smoking history (current or past/never	65/8
Performance Status (0,1/2)	67/6
Histology (NSCLC/SCLC)	70/3
PD-L1 status (positive/negative/unknown)	40/12/21
Baseline prednisolone usage (10 mg >, 10 mg <)	70/3
History of autoimmune disease (positive/negative)	5/68
History of thoracic radiation (positive/negative)	18/55
Treatment line (1st line, consolidation/2nd or later line)	50/23
ICI/Chemo + ICI/ICI combination/experimental	36/17/17/3
ICI response (CR/PR/SD/PD/NE)	3/33/19/7/11
irAE grade (1/2/3/4)	5/16/39/13
Maximum steroid usage for irAE (lmg/kg >/< /unknown)	4/64/5

CR complete response, PR partial response, SD stable disease, PD progressive disease, NE not evaluable