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Table 1

Demographic characteristics of cases with acute pancreatitis and controls in Taiwan during the period of 1998-2011.

Controls N = 8373
Cases N = 3501
Variable n (%) n (%) P value*
Sex 0.99
  Female 2679 (32.0) 1120 (32.0)
 Male 5694 (68.0) 2381 (68.0)
Age group (years) 0.07
 20-39 2979 (35.6) 1203 (34.4)
 40-64 3820 (45.6) 1578 (45.1)
 65-84 1574 (18.8) 720 (20.6)
Age (years), mean (standard deviation) 48.6 (15.8) 49.2 (16.0) 0.03
Fluvastatin 0.39
 No use 8328 (99.46) 3475 (99.25)
 Current use 41 (0.49) 23 (0.66)
 Late use 4 (0.05) 3 (0.09)
Comorbidities before index date
 Alcohol-related diseases 1148 (13.7) 545 (15.6) 0.008
 Biliary stone 715 (8.54) 406 (116) < 0.001
 Cardiovascular diseases 1417 (16.9) 666 (19.0) 0.006
 Chronic kidney disease 115 (1.37) 100 (2.86) < 0.001
 Chronic obstructive pulmonary disease 1123 (13.4) 519 (14.8) 0.04
 Diabetes mellitus 623 (7.44) 365 (10.4) < 0.001
 Hepatitis B 185 (2.21) 146 (4.17) < 0.001
 Hepatitis C 79 (0.94) 93 (2.66) < 0.001
 Hyperparathyroidism& 1 (0.01) 9 (0.26) <0.001
 Hypertriglyceridemia 658 (7.86) 336 (9.60) 0.002

Data are presented as the number of subjects in each group with percentages given in parentheses, or mean with standard deviation given in parentheses.

*

Chi-square test,

&

Fisher exact test, and

t test comparing subjects with and without acute pancreatitis.