Outcomes | Number of studies | Number of patients | Weighted mean difference | 95% CI |
---|---|---|---|---|
*All meta-analyses were based on a fixed effects model. Heterogeneity was significant only for the analysis of heart rate. | ||||
†Not significant. | ||||
Length of hospital stay | 2 | 87 | −7.1 days | −12.6 to −1.7 |
Weight gain | 3 | 103 | 1.57 g/day | −0.37 to 3.5† |
Heart rate | 4 | 126 | −1.4 beats/minute | −5.9 to 3.1† |
Oxygen saturation | 3 | 72 | 1.0% | 0.04 to 2.1† |