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Table 2 Outcomes 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

  Unmatched groups Propensity-matched groups
  H2RA group PPI group P H2RA group PPI group P
Outcome, n (%) n = 1227 n = 1879   n = 1088 n = 1088  
Gastrointestinal bleeding requiring endoscopic hemostasis 8 (0.65) 25 (1.33) 0.076 8 (0.74) 14 (1.3) 0.284
28-day mortality 130 (10.6) 234 (12.4) 0.954 123 (11.3) 141 (12.9) 0.386
Clostridioides difficile infection 10 (0.81) 12 (0.64) 0.663 7 (0.64) 5 (0.46) 0.774
Hospital-acquired pneumonia 38 (3.1) 64 (3.4) 0.681 33 (3.0) 47 (4.3) 0.138
  1. H2RA histamine-2 receptor antagonists, PPI proton pump inhibiter