Table 1.

Characteristics of patients with chemorefractory and chemosensitive small cell lung cancer

Characteristic	Chemorefractory group	Chemosensitive group
Total (cases)	12	16
Age [years; median (range)]	60.5 (47–72)	57 (36–78)
< 40 [cases (%)]	0 (0)	2 (12.5)
40–49 [cases (%)]	1 (8.3)	1 (6. 3)
50–59 [cases (%)]	4 (33.3)	9 (56.3)
60–69 [cases (%)]	5 (41.7)	2 (12.5)
≥ 70 [cases (%)]	2 (16.7)	2 (12.5)
Gender [cases (%)]
Male	11 (91.7)	9 (56.3)
Female	1 (8.3)	7 (43.8)
Disease stage [cases (%)]
Limited stage	3 (25.0)	12 (75.0)
Extensive stage	9 (75.0)	4 (25.0)
Cycles of first-line regimen [cases (%)]
1–2	5 (41.7)	0 (0.0)
3–4	3 (25.0)	5 (31.3)
5–6	4 (33.3)	11 (68.8)
Follow-up [months; median (range)]	10 (5–16)	43.5 (26–103)