Efficacy of concurrent chemoradiotherapy with thalidomide and S-1 for esophageal carcinoma and its influence on serum tumor markers

Table 1 Baseline information

Indicators	Control group (n = 30)	Research group (n = 32)	χ2/t	P value
Age (years old)	61.03 ± 6.91	61.44 ± 10.61	0.179	0.859
Gender (male/female)	17/13	19/13	0.047	0.829
Clinical staging (II/III)	18/12	16/16	0.625	0.429
Tumor diameter (cm)	5.68 ± 1.29	5.80 ± 1.50	0.337	0.738
History of alcoholism (with/without)	11/19	8/24	0.992	0.319
History of smoking (with/without)	8/22	7/25	0.194	0.660
Family medical history (yes/no)	5/25	9/23	1.163	0.281