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

Table 5 Hospitalization costs in the cohort before and after propensity score matching

Outcome	Before matching	P Value	After matching	P Value
Hospitalization costs(*10⁴RMB)		0.157		0.045
Biopsy	6.24 ± 4.83		5.76 ± 4.77
No-biopsy	5.79 ± 5.03		6.57 ± 5.32

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