Table 2.
Baseline characteristics of patients with SCLC in 2015
| Total | Non-survivor | Survivor | p-value | |
|---|---|---|---|---|
| No. of patients | 345 | 321 | 24 | |
| Male sex | 292 (84.6) | 272 (84.7) | 20 (83.3) | 0.854 |
| Age (yr) | 71.0 (63.0–76.0) | 72.0 (63.0–77.0) | 67.5 (60.0–71.0) | 0.023 |
| Ever-smoker | 289 (83.8) | 268 (83.5) | 21 (87.5) | 0.381 |
| BMI (kg/m 2 ) | 25.6 (22.4–30.0) | 25.9 (22.2–30.9) | 22.5 (20.0–24.3) | 0.166 |
| Symptoms | 342 | 318 | 24 | |
| Asymptomatic | 20 (5.8) | 18 (5.7) | 2 (8.3) | 0.581 |
| Cough | 157 (45.9) | 146 (45.9) | 11 (45.8) | 0.973 |
| Sputum | 99 (28.9) | 95 (29.9) | 4 (16.7) | 0.177 |
| Dyspnea | 108 (31.6) | 103 (32.4) | 5 (20.8) | 0.251 |
| Hoarseness | 11 (3.2) | 10 (3.1) | 1 (4.2) | 0.777 |
| Hemoptysis | 19 (5.6) | 17 (5.3) | 2 (8.3) | 0.529 |
| Weight loss | 31 (9.1) | 31 (9.7) | 0 | 0.111 |
| Pain | 62 (18.1) | 61 (19.2) | 1 (4.2) | 0.068 |
| Performance status | 272 | 256 | 16 | 0.681 |
| 0–1 | 228 (83.8) | 214 (83.6) | 14 (87.5) | |
| 2–4 | 44 (16.2) | 42 (16.4) | 2 (12.5) | |
| Clinical stage of SCLC | 345 | 321 | 24 | 0.004 |
| LD | 122 (35.4) | 106 (33.0) | 16 (66.7) | |
| ED | 213 (61.7) | 205 (63.9) | 8 (33.3) | |
| Unknown | 10 (2.9) | 10 (3.1) | 0 |
Values are presented as the number (%) or median (interquartile range). BMI, body mass index; ED, extensive disease; LD, limited disease; SCLC, small cell lung cancer.