Figure 6From: A comparison of continuous and bi-level positive airway pressure non-invasive ventilation in patients with acute cardiogenic pulmonary oedema: a meta-analysisForest Plot: effect if BiPAP and CPAP on risk of new onset myocardial infarction. BiPAP, bi-level positive airway pressure; CI, confidence interval; CPAP, continuous positive airway pressure; RR, relative risk.Back to article page