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. 2020 Mar 11;368:m540. doi: 10.1136/bmj.m540

Table 6.

Summary of perioperative care strategies with evidence of significant benefit in reducing postoperative pulmonary complications following conventional meta-analysis

Intervention Relative effect: risk ratio (95% CI) Quality of evidence
Enhanced recovery pathways 0.35 (0.21 to 0.58; P<0.001; I2=0%) Low
Prophylactic mucolytics 0.40 (0.23 to 0.67; P<0.001; I2=0%) Low
Postoperative (continuous positive airway pressure) non-invasive ventilation 0.49 (0.24 to 0.99; P=0.05 I2=48%) Low
Lung protective intraoperative ventilation 0.52 (0.30 to 0.88; P=0.001; I2=78%) Moderate
Prophylactic respiratory physiotherapy 0.55 (0.32 to 0.93; P=0.02; I2=60%) Low
Epidural analgesia 0.77 (0.65 to 0.92; P=0.003; I2=0%) Low
Goal directed haemodynamic therapy 0.87 (0.77-0.98; P=0.02; I2=0%) Moderate