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Table 1 Basic characteristics among case patients with acute pancreatitis and matched control persons

From: Angiotensin II receptor blockers and risk of acute pancreatitis - a population based case–control study in Sweden

Exposure Controls Cases
N (%)* N (%)*
Total 61,637 (100) 6,161 (100)
Calendar year
 2006 19,963 (32) 1,996 (32)
 2007 20,728 (34) 2,071 (34)
 2008 20,946 (34) 2,094 (34)
Sex
 Male 33,892 (55) 3,387 (55)
 Female 27,745 (45) 2,774 (45)
Age
 40–49 10,562 (17) 1,055 (17)
 50–59 13,978 (23) 1,397 (23)
 60–69 16,590 (27) 1,659 (27)
 70–79 13,908 (23) 1,391 (23)
 80–84 6,599 (11) 659 (11)
Education level
 Elementary school 21,896 (36) 2,464 (40)
 Secondary school 24,016 (39) 2,455 (40)
 University studies 14,769 (24) 1,099 (18)
 Missing data 956 (2) 143 (2)
 Alcohol related disease 1,549 (3) 682 (11)
 Gallstone disease 2,595 (4) 2,246 (36)
 Chronic obstructive pulmonary disease 1,328 (2) 326 (5)
Number of distinct medications
 0–1 25,373 (41) 1,468 (24)
 2–4 16,953 (28) 1,665 (27)
 5–9 13,656 (22) 1,851 (30)
 10–14 4,252 (7) 781 (13)
  ≥ 15 1,403 (2) 396 (6)
  1. *Percentages were rounded; hence the sum could be more or less than 100