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Copyright ©2007 Baishideng Publishing Group Co.
World J Gastroenterol. Jun 14, 2007; 13(22): 3106-3111
Published online Jun 14, 2007. doi: 10.3748/wjg.v13.i22.3106
Table 2 Classification of patients according to the presence, size and number of calculi
Biliary materialn%
Normal common bile duct815.1
Biliary sludge / microcalculi / calculi ≤ 10 mm2445.3
Calculi > 10 mm and ≤ 15 mm1120.7
Calculi > 15 mm1018.9
Total number of calculi > 10 mm2139.6
Total number of cases with 3 or more calculi1426.4
Number of cases with calculi > 10 mm or with 3 or more calculi2547.2