Presence and density of common bile duct microlithiasis in acute biliary pancreatitis

Table 3 Demographic, clinical and biochemical features of patients in relation to the diagnosis of common bile duct microcrystals (Fischer’s s exact test or U Mann-Whitney’s test when needed)

Feature	Microcrystals present (n = 118)	Microcrystals absent (n = 33)	P
Women	91	11	0.066
Men	27	22	0.066
Age [years] (mean)	52.4	54.2	0.623
Gallbladder stones present	81	20	0.770
BMI (mean)	27.8	28.7	0.490
Number of cases with Goodman’s criteria of ABP present (at least 1 criterion)	106	23	0.670
Bilirubin [(mol·L-1)] (mean)	54.4	49.3	0.607
Alkaline phosphatase [IU·L-1]](mean)	213.7	178.9	0.148
Alanine transaminase [IU·L-1]] (mean)	350.4	383.4	0.577