Ansa pancreatica as a predisposing factor for recurrent acute pancreatitis

Table 1 Characteristics of subjects in the community group with and without ansa pancreatica

	All subjects (n = 587)	Subjects without ansa pancreatica (n = 582)	Subjects with ansa pancreatica (n = 5)	P value	OR (95%CI)
Age (yr)	56.8 ± 10.4	56.8 ± 10.4	53.6 ± 10.7	0.601
Females	250 (43)	248 (43)	2 (40)	0.702
Brinkman index (cigarettes/d × years)	244 ± 408	246 ± 409	120 ± 240	0.361
Alcohol intake (kg/yr)	5.8 ± 7.8	5.7 ± 7.7	11.4 ± 12.9	0.431
Clinical history
All cases of pancreatitis3	6 (1)	5 (0.9)	1 (20)	0.0502	28 (0.49-364)
Acute pancreatitis	4 (0.7)	3 (0.5)	1 (20)	0.0342	46 (0.74-746)
Diabetes mellitus	30 (5)	30 (5)	0	12
Hypertension	109 (19)	109 (19)	0	0.592
Hyperlipidemia	67 (11)	67 (12)	0	12
Any malignant neoplasm	45 (8)	45 (8)	0	12
Autoimmune disease	14 (2)	14 (2)	0	12

Values are presented as the n (%) or mean ± SD deviation.

¹Welch’s t test;

²Fisher’s exact test;

³Includes subjects with single-episode acute pancreatitis and subjects with recurrent acute pancreatitis.