Brief Article
Copyright ©2013 Baishideng Publishing Group Co.
World J Gastroenterol. Oct 21, 2013; 19(39): 6598-6603
Published online Oct 21, 2013. doi: 10.3748/wjg.v19.i39.6598
Table 1 Clinical and demographic characteristics and risk factors of the patients n (%)
ESCC (n = 51)HNSCC (n = 37)Not exposed (n = 37)
Age (yr)
Range42-7941-7819-87
mean ± SD60.1 ± 10.357.8 ± 8.456.8 ± 17.7
Sex
Male43 (84.3)34 (91.9)12 (32.4)
Female8 (15.7)3 (8.1)25 (67.6)
Smoking
Current42 (82.4)35 (94.6)-
Ex-smokers (> 10 yr)5 (9.8)2 (5.4)10 (27.0)
Never smoked4 (7.8)0 (0)27 (73.0)
Alcohol use
Current27 (53.0)31 (83.8)-
Ex-alcohol users (> 10 yr)8 (15.7)2 (5.4)2 (5.4)
Never used alcohol16 (31.4)4 (10.8)35 (94.6)
Active smokers and alcohol users18 (35.3)18 (48.6)-
Never smoked or drunk alcohol3 (5.9)0 (0)26 (70.3)