Table 1. Summary of baseline patient and tumor characteristics.

Characteristics
	n / 109	%
Sex
Male	49	45
Female	60	55
Age
<70 y	67	61
≥70 y	42	39
Smoking History
Present or former	73	67
Never	36	33
Performance Status (WHO)
0–1	71	65
2–3	38	35
Histological Types
Nonsquamous NSCLC	98	90
Squamous NSCLC	11	10
Tumor Stage (UICC 7th ed.)
IIIB	12	11
IV	97	89
Tumor Burden (BSLD)
≤7.5 cm	66	63
>7.5 cm	39	37
Metastatic Sites
Bone	52	48
Liver	9	8
Brain	22	20
Mutations
TP53	65	60
EGFR	47	43
KRAS	29	27
Treatment Type
Chemotherapy	73	67
EGFR TKI	36	33

BSLD, baseline sum of longest diameters; TKI, tyrosine kinase inhibitor.