Safety and efficacy of pegylated recombinant human granulocyte colony-stimulating factor during concurrent chemoradiotherapy for small-cell lung cancer: a retrospective, cohort-controlled trial

Table 1 Patient characteristics at baseline

Characteristic	Experimental group (N = 80)	Control group (N = 80)	Statistics	P
Age (years)	59.70 ± 8.12	59.33 ± 9.66	t = 0.275	0.784
Sex			χ2 = 0.040	0.841
Male	64	65
Female	16	15
Smoking history			χ2 = 0.417	0.519
Smoker	50	46
Never smoker	30	34
Stage			χ2 = 0.740	0.786
Extensive stage	7	8
Limited stage	73	72

ISSN: 1471-2407