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Fig. 2 | Journal of Intensive Care

Fig. 2

From: Impact of the stress ulcer prophylactic protocol on reducing the unnecessary administration of stress ulcer medications and gastrointestinal bleeding: a single-center, retrospective pre-post study

Fig. 2

The incidence of UGIB in pre- and postintervention groups. That of preintervention group was 4%. The noninferiority margin was set at 10%; therefore, 4% + 10% = 14% was the predefined line. The incidence of UGIB in postintervention group was 4% [95% CI, 0.5–13.7%]. This upper limit of 95% CI (13.7%) was lower than the predefined line (14%).UGIB, upper gastrointestinal bleeding; CI, confidence interval

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