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Table 3 Risk ratios in the unmatched and propensity-matched groups

From: Histamine-2 receptor antagonists versus proton pump inhibitors for septic shock after lower gastrointestinal tract perforation: a retrospective cohort study using a national inpatient database

Outcomes

Unmatched groups (95% CI)

Propensity-matched groups (95% CI)

Gastrointestinal bleeding requiring endoscopic hemostasis

0.49 (0.22–1.08)

0.57 (0.24–1.36)

28-day mortality

0.85 (0.70–1.04)

0.87 (0.70–1.09)

Clostridioides difficile infection

1.28 (0.55–2.94)

1.40 (0.45–4.40)

Hospital-acquired pneumonia

0.91 (0.61–1.35)

0.70 (0.45–1.09)

  1. CI confidence interval