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. 2014 Mar 11;70(6):709–717. doi: 10.1007/s00228-014-1660-7

Table 3.

Acute pancreatitis incidence rates (IR) and incident rate ratios (IRR; crude and adjusted)

Characteristic MMX mesalazine All comparators IRR (95 % CI)a
Crude rates
 Events, n 20 46
 Person-time, years 2,338.2 4,576.1
 IR (95 % CI)b 8.55 (5.54–13.21) 10.05 (7.54–13.41) 0.85 (0.48–1.47)
Age categories, years IR (95 % CI)b
 18–29 20.03 (10.15–39.53) 29.70 (18.78–46.94) 0.67 (0.25–1.63)
 30–39 10.68 (4.56–25.00) 10.27 (5.20–20.27) 1.04 (0.27–3.60)
 40–49 5.52 (1.88–16.22) 4.32 (1.68–11.11) 1.28 (0.19–7.55)
 ≥50 4.32 (1.68–11.10) 7.06 (4.35–11.47) 0.61 (0.15–1.89)
Gender, IR (95 % CI)b
 Female 10.91 (6.37–18.66) 8.94 (5.84–13.66) 1.22 (0.56–2.55)
 Male 6.11 (2.96–12.61) 11.23 (7.61–16.58) 0.54 (0.20–1.29)
Adjusted rates
 Events, n 20 21
 Person-time, years 2,220.07 1,958.90
 Propensity-matched IR (95 % CI)b 9.01 (5.81–13.96) 10.72 (6.99–16.44) 0.84 (0.46–1.55)
 Adjusted 1 IR (95 % CI)c 4.40 (1.94–9.98) 5.62 (2.57–12.31) 0.78 (0.42–1.46)
 Adjusted 2 IR (95 % CI)d 2.37 (0.91–6.15) 3.10 (1.24–7.75) 0.76 (0.41–1.43)
 Age categories, years
  18–29
   Propensity-matched IR (95 % CI)b 21.43 (10.72–42.86) 26.77 (13.93–51.45) 0.80 (0.31–2.08)
   Adjusted 1 IR (95 % CI)c 25.17 (10.50–60.33) 32.76 (15.15–70.83) 0.77 (0.29–2.01)
   Adjusted 2 IR (95 % CI)d 22.77 (8.52–60.86) 30.66 (12.89–72.96) 0.74 (0.28–1.95)
  30–39
   Propensity-matched IR (95 % CI)b 11.10 (4.62–26.67) 12.16 (5.06–29.22) 0.91 (0.26–3.15)
   Adjusted 1 IR (95 % CI)c 9.06 (1.78–46.10) 10.89 (3.01–39.38) 0.83 (0.21–3.23)
   Adjusted 2 IR (95 % CI)d 3.61 (0.42–30.63) 4.35 (0.78–24.29) 0.83 (0.20–3.44)
  40–49
   Propensity-matched IR (95 % CI)b 5.80 (1.87–17.99) 4.80 (1.20–19.17) 1.21 (0.20–7.24)
   Adjusted 1 IR (95 % CI)c 2.13 (0.26–17.66) 1.89 (0.20–17.76) 1.13 (0.18–6.99)
   Adjusted 2 IR (95 % CI)d 1.42 (0.13–15.19) 1.25 (0.10–15.80) 1.13 (0.18–7.00)
  ≥50
   Propensity-matched IR (95 % CI)b 4.55 (1.71–12.12) 6.29 (2.62–15.12) 0.72 (0.19–2.69)
   Adjusted 1 IR (95 % CI)c 3.56 (0.39–32.19) 4.60 (0.99–21.25) 0.77 (0.16–3.80)
   Adjusted 2 IR (95 % CI)d 1.80 (0.17–19.15) 2.26 (0.37–13.86) 0.80 (0.16–3.97)
 Gender
  Female
   Propensity-matched IR (95 % CI)b 11.52 (6.69–19.83) 6.95 (3.32–14.59) 1.66 (0.66–4.15)
   Adjusted 1 IR (95 % CI)c 7.72 (3.05–19.55) 4.94 (1.81–13.51) 1.56 (0.61–4.00)
   Adjusted 2 IR (95 % CI)d 3.58 (1.12–11.46) 2.35 (0.70–7.83) 1.52 (0.59–3.92)
  Male
   Propensity-matched IR (95 % CI)b 6.41 (3.06–13.46) 14.70 (8.71–24.82) 0.44 (0.18–1.08)
   Adjusted 1 IR (95 % CI)c 2.00 (0.54–7.45) 4.70 (1.43–15.38) 0.43 (0.17–1.07)
   Adjusted 2 IR (95 % CI)d 1.05 (0.22–5.10) 2.52 (0.58–10.98) 0.42 (0.17–1.04)

CI confidence interval

aMMX mesalazine relative to all comparators

bPer 1000 person-years

cAdjustment 1, adjusted for age category, gender, and daily dose

dAdjustment 2, adjusted for age category, gender, daily dose, steroids, enalapril, viral herpes, furosemide, sulfasalazine, and post-surgery procedures