Computed tomographic differentiation between alcoholic and gallstone pancreatitis: Significance of distribution of infiltration or fluid collection

Table 1 CT differentiation of the cause of acute pancreatitis between alcohol and stone group (mean ± SD)

Findings		Alcohol group (n = 43)	Stone group (n = 32)	P
Size of pancreas
Anteroposterior diameter, Head		36.2 ± 6.7 mm	37.3 ± 6.6 mm	0.485
	Transverse diameter, Head	30.7 ± 5.6 mm	31.7 ± 5.4mm	0.434
	Thickness, Body and Tail	22.3 ± 5.2 mm	23.3 ± 5.3 mm	0.406
CT grading score		2.3 ± 0.8	1.9 ± 1.0	0.0471
Calculi in the biliary system		3/43 (7.0%)	22/32 (68.8%)	0.0001
Duct dilatation
	Pancreatic duct	4/43 (9.0%)	10/32 (31.3%)	0.0331
	Bile duct	2/43 (4.7%)	19/32 (59.4%)	0.0001

¹Data of statistical significance.

Table 2 Comparison of infiltration scores of each abdominal compartment between alcohol group and stone group (mean ± SD)

Compartment	Alcohol group (n = 43)	Stone group (n = 32)	P
RP	1.00 ± 0.82	0.91 ± 0.69	0.568
RSR	0.84 ± 0.87	0.94 ± 0.95	0.416
RIR	0.56 ± 0.85	0.56 ± 0.84	0.905
Total (right)	2.40 ± 2.16	2.41 ± 2.12	0.798
LP	1.67 ± 0.97	1.00 ± 0.92	0.0201
LSR	1.49 ± 0.88	1.13 ± 0.83	0.119
LIR	0.51 ± 0.28	0.83 ± 0.52	0.240
Total (left)	3.67 ± 2.20	2.41 ± 1.79	0.153

Abbreviations indicating compartments defined in the text.

¹Data of statistical significance.