Detection of Common Bile Duct Stones in Mild Acute Biliary Pancreatitis Using Magnetic Resonance Cholangiopancreatography

Table 1

Patient characteristics in two study groups on admission and before MRCP.

Characteristics	Unit	MRCP negative ()	MRCP positive ()		MRCP negative ()	MRCP positive ()
		Group A	Group B	value	Group A	Group B	value
		On admission			Before MRCP
Male/female		15/30	5/6	0.1
Age	yrs	63 (25–89) ± 21.5	57 (28–89) ± 22	0.4
Total bilirubin	mg/dl	1.96 (0.2–6.58) ± 1.58	2.4 (1.1–5.7) ± 1.6	0.4	0.8 (0.3–1.91) ± 0.4	0.78 (0.4–2.7) ± 0.67	0.9
ALKP	IU/dl	186 (56–422) ± 97	254 (112–470) ±117	0.04	129 (54–422) ± 82	120 (62–198) ± 43	0.7
ALT	IU/dl	309 (14–972) ± 282	298 (151–521) ±123	0.4	71 (8–359) ± 91	36 (12–135) ± 36	0.4
AST	IU/dl	310 (15–1384) ± 299	276 (87–659) ± 181	0.7	38 (14–136) ± 34	43 (14–177) ± 54	0.6
Amylase	IU/dl	1222 (101–6348) ± 1291	1612 (54–4077) ± 1492	0.3	98 (40–517) ± 102	83 (47–119) ± 29	0.7
Lipase	IU/dl	2980 (45–18250) ± 3736	2048 (122–7120) ± 2351	0.4	75 (11–700) ± 140	75 (48–103) ± 39	0.9
Dilated CBD		6/45	5/11	0.016

Results are presented as mean ± SD. AST: aspartate aminotransferase; ALT: alanine aminotransferase; ALKP: alkaline phosphatase; CBD: common bile duct.