Table 3

Distribution of various clinical parameters among patients with chronic pancreatitis based on N34S SPINK1 mutation status

HP (n = 37)ICP (n = 120)ACP (n = 41)
Mutated SPINK1Mutation negativeMutated SPINK1Mutation negativeMutated SPINK1Mutation negative
n, number of patients; HP, hereditary pancreatitis; ICP, idiopathic chronic pancreatitis; ACP, alcohol related pancreatitis.
*p = 0.045 for HP; p = 0.177 for ICP; p = 0.091 for ACP.
†p = 0.978 for HP; p = 0.505 for ICP; p = 0.741 for ACP.
Percentages refer to the proportion of patients within each group.
n271038821031
Age at presentation (y) (median, range 95% CI)35.0 (31.5–36.1)39.5 (36.5–44.3)24.0 (22.2–28.8)28.5 (27.8–32.9)31.0 (28.8–38.2)41.0 (38.3–43.3)
Age at onset (y)* (median, range 95% CI)23.5 (21.2–29.2)24.5 (23.2–31.8)19.5 (17.8–24.2)25.0 (24.6–29.7)28.0 (24.2–34.5)38.0 (34.8–40.0)
Clinical parameters
    Nature of pain
    Intermittent18 (74.1%)3 (30%)18 (47.4%)19 (23.2%)4 (40%)5 (16.1%)
    Constant6 (22.2%)6 (60%)14 (36.8%)54 (65.8%)4 (40%)24 (77.4%)
    Diabetes mellitus†11 (40.7%)4 (40%)4 (10.5%)15 (18.3%)3 (30%)5 (16.1%)
    Smoking4 (14.8%)3 (30%)6 (15.8%)22 (26.8%)2 (20%)8 (25.8%)
    Pseudocyst4 (14.8%)2 (20%)6 (15.8%)20 (24.4%)2 (20%)8 (25.8%)