Table 1. Clinical characteristics of small cell lung cancer patients.

Patients’ characteristics	Number
Median age (range)	65 (41–85)
Gender
Female	9 (12%)
Male	68 (88%)
Smoking history
Never	1 (1%)
Former	22 (29%)
Current	54 (70%)
Performance status
0–1	48 (62%)
2–3	13 (17%)
Unknown	16 (21%)
Clinical stage
Limited	32 (42%)
Extensive	42 (54%)
Unknown	3 (4%)