Table 1 Clinical characteristics of the patients from multiple institutions
Characteristics | International cohort (N = 68) | Shanghai cohort (N = 47) | NCC cohort (N = 150) |
|---|---|---|---|
Age, years | |||
 < 60 | 16 (23.53%) | 26 (55.32%) | 81 (54.00%) |
 ≥ 60 | 52 (76.47%) | 21 (44.68%) | 69 (46.00%) |
Sex | |||
 Male | 48 (70.59%) | 42 (89.36%) | 119 (79.33%) |
 Female | 20 (29.41%) | 5 (10.64%) | 31 (20.67%) |
Smoking history | |||
 Yes | 64 (94.12%) | 32 (68.09%) | 94 (62.67%) |
 No | 3 (4.41%) | 15 (31.91%) | 56 (37.33%) |
 NA | 1 (1.47%) | 0 (0.00%) | 0 (0.00%) |
SCLC staging | |||
 I | 33 (48.53%) | 8 (17.02%) | 49 (32.67%) |
 II | 14 (20.59%) | 39 (17.02%) | 50 (33.33%) |
 III | 21 (30.88%) | 31 (65.96%) | 51 (34.00%) |
OS state | |||
 Alive | 28 (41.18%) | 24 (51.06%) | 69 (46.00%) |
 Death | 40 (58.82%) | 23 (48.94%) | 81 (54.00%) |