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Table 2 Incident rates of gastrointestinal bleeding among systemic sclerosis and control groups

From: High risk of gastrointestinal hemorrhage in patients with systemic sclerosis

Systemic sclerosis (n = 3665)Controls (n = 18,325)
Clinical outcomeNo.Incidence ratea (95% CI)No.Incidence ratea (95% CI)Incidence rate ratio (95% CI)
All gastrointestinal bleeding191976.37 (847.27–1125.137)675410.76 (380.91–442.95)2.38 (2.02–2.79)
Upper gastrointestinal bleeding117591.75 (493.68–709.30)473286.89 (262.17–313.94)2.06 (1.68–2.53)
Peptic ulcer bleeding84422.96 (341.53–523.81)393238.01 (215.60–262.74)1.78 (1.40–2.25)
Non-peptic ulcer bleeding101507.83 (417.85–617.19)281169.46 (150.76–190.48)3.00 (2.39–3.76)
Lower gastrointestinal bleeding105528.20 (436.24–639.53)277167.06 (148.50–187.94)3.16 (2.53–3.96)
  1. aIncidence of gastrointestinal bleeding: per 100,000 person-years