Table 1 The clinical characteristics of 144 young patients with advanced non-small cell lung cancer
Clinical characteristics | n(%) |
|---|---|
Age, median (range) | 39.1 (22–45) |
BMI (kg/m2) | 22.1 ± 3.3 |
Male gender | 70 (48.6%) |
Smoking (current or ex-smoker) | 62 (43.1%) |
Initial presentations | Â |
Pulmonary | Â |
cough | 78 (54.2%) |
dyspnea | 28 (19.4%) |
chest pain/tightness | 25 (17.4%) |
hemoptysis | 18 (12.5%) |
hoarseness | 4 (2.7%) |
Extrapulmonary | Â |
bone/muscle pain | 15 (10.4%) |
subcutaneous mass/lymphadenopathy | 7 (4.9%) |
fever | 7 (4.9%) |
focal neurological signs | 6 (4.2%) |
headache | 5 (3.5%) |
body weight loss | 5 (3.5%) |
others | 8 (5.6%) |
health exam | 6 (4.2%) |
Performance status (PS) | Â |
0-1 | 106 (73.6%) |
2-4 | 38 (26.4%) |
Disease stage | Â |
IIIB | 40 (27.8%) |
IV | 104 (72.2%) |
Histology | Â |
Adenocarcinoma | 119 (82.6%) |
Squamous cell carcinoma | 9 (6.3%) |
Undifferentiated carcinoma | 16 (11.1%) |