Clinical Research
Copyright ©The Author(s) 2004.
World J Gastroenterol. May 15, 2004; 10(10): 1504-1507
Published online May 15, 2004. doi: 10.3748/wjg.v10.i10.1504
Table 2 Demographic data of patients with biliary strictures (n = 126)
BenignMalignantP value
Number of patients54 (%)72 (%)
Mean age53 ± 1862.4 ± 11.70.0006
Males25 (46)41 (56.9)0.2255
Females29 (54)31 (43.1)0.2255
Sites of biliary stricture
Proximal27 (50)20 (27.7)0.0107
Middle22 (41)17 (23.6)0.0394
Distal5 (9)35 (48.6)< 0.001