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Table 1 Demographics and clinical characteristics of patients with unresectable Stage IIIB/IV nonsquamous non-small cell lung cancer

From: A multicenter survey of first-line treatment patterns and gene aberration test status of patients with unresectable Stage IIIB/IV nonsquamous non-small cell lung cancer in China (CTONG 1506)

Characteristic, n (%) All patients
N = 932
Age, years
 Median (min., max.) 59 (23, 80)
  < 65 689 (73.9)
  ≥ 65 243 (26.1)
Sex
 Male 526 (56.4)
 Female 406 (43.6)
Residence area
 Rural 420 (45.1)
 Urban 512 (54.9)
Smoking status
 Current Smoker 157 (16.8)
 Former Smoker 233 (25.0)
 Never Smoker 542 (58.2)
Histologic subtype
 Adenocarcinoma 885 (95.0)
 Large Cell Carcinoma 14 (1.5)
 Other 33 (3.5)
ECOG PS
 0 291 (31.2)
 1 575 (61.7)
 2 55 (5.9)
 3 11 (1.2)
  1. ECOG Eastern Cooperative Oncology Group, max. maximum, min. minimum, PS Performance Status