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Table 3 Risk of primary outcomes in the cohort before and after propensity score matching

From: Biopsy in emergency gastroscopy does not increase the risk of rebleeding in patients with Forrest I acute nonvariceal upper gastrointestinal bleeding combined with suspected malignant gastric ulcer: a multicenter retrospective cohort study

Outcome

Before matching

After matching

No. of Patients with Event

Event Rate (%)

Hazard Ratio (95% CI)

P Value

No. of Patients with Event

Event Rate (%)

Hazard Ratio (95% CI)

P Value

Rebleeding

   

0.077

   

0.548

biopsy

258/401

64.3%

1.09 (0.99–1.21)

 

204/308

66.2%

0.97 (0.87–1.08)

 

No-biopsy

358/609

58.8%

Reference

 

211/308

68.5%

Reference

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