Table 5 Subgroup analysis
From: Surfactant therapy for acute respiratory failure in children: a systematic review and meta-analysis
Outcome | Bronchiolitis trials | All other trials | P value |
|---|---|---|---|
Mortality | Unable to assess | Â | Â |
Ventilator-free days | Â | Â | Â |
   Weighted mean difference (days) | 2.6 | 2.0 |  |
   95% confidence interval | -0.1 to 5.3 | -0.8 to 4.7 | 0.76 |
Duration of mechanical ventilation | Â | Â | Â |
   Weighted mean difference (days) | 2.6 | 1.5 |  |
   95% confidence interval | -0.1 to 5.3 | -1.6 to 4.6 | 0.60 |
Duration of paediatric intensive care unit stay | Â | Â | Â |
   Weighted mean difference (days) | 3.3 | 1.2 |  |
   95% confidence interval | 0.2 to 6.4 | -5.5 to 8.0 | 0.58 |