Table 3. Clinical features of subjects in Idiopathic pancreatitis group with and without meandering main pancreatic duct (MMPD).
| Idiopathic pancreatitis group | Inter-group | ||||
| All | MMPD | Non-MMPD | P1 | P2 | |
| (n = 30) | (n = 6) | (n = 24) | |||
| Age (years) (mean [SD]) | 57.6 [15.6] | 60.7 [9.7] | 56.8 [15.6] | 0.56b | 0.73b |
| Female (n [%]) | 15 [50] | 4 [67] | 11 [46] | 0.66c | 0.34c |
| Brinkman index (cigarettes/day×year) (mean [SD]) | 255 [621] | 0 [0] | 319 [682] | 0.031b | 0.61b |
| Alcohol intake (kg/year) (mean [SD]) | 5.0 [12.5] | 0.2 [14.8] | 6.2 [16.4] | 0.086b | 0.059b |
| Clinical history | |||||
| Pancreatitis (n [%]) | 30 [100] | 6 [100] | 24 [100] | 1c | <0.0001a,c |
| Diabetes mellitus (n [%]) | 3 [10] | 0 [0] | 3 [13] | 1c | 0.42c |
| Hypertension (n [%]) | 5 [17] | 0 [0] | 5 [21] | 0.55c | 1c |
| Hyperlipidemia (n [%]) | 3 [10] | 1 [17] | 2 [8] | 0.50c | 1c |
| Any malignant neoplasm (n [%]) | 2 [7] | 1 [17] | 1 [4] | 0.37c | 0.66c |
a
,Significant after family-wise correction;
b
,Student's t-test;
c
,Fisher's exact test; P1, P-value for the test between idiopathic pancreatitis patients with and without MMPD; P2, P-value for intergroup test between Community group (Table 2) and Idiopathic pancreatitis group; SD, standard deviation.