Brief Article
Copyright ©2013 Baishideng Publishing Group Co.
World J Gastroenterol. Mar 21, 2013; 19(11): 1788-1796
Published online Mar 21, 2013. doi: 10.3748/wjg.v19.i11.1788
Table 2 Detectability of common bile duct stones according to stone size and stone type n (%)
nDetectable (n = 111)Undetectable (n = 19)P value
Size (mm)
< 394 (44)5 (56)< 0.001
3–54029 (74)11 (26)
6–104543 (96)2 (4)
11–152625 (96)1 (4)
> 151010 (100)0 (0)
≤ 54933 (67)16 (33)< 0.001
> 58178 (96)3 (4)
Type
Black pigment2321 (91)2 (9)< 0.001
Mixed cholesterol3836 (95)2 (5)
Brown pigment6054 (90)6 (10)
Pure cholesterol90 (0)9 (100)
Black or mixed6157 (93)4 (7)0.023
Brown or pure cholesterol6954 (78)15 (22)