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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   
Ventilator-free days    
   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    
   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    
   Weighted mean difference (days) 3.3 1.2  
   95% confidence interval 0.2 to 6.4 -5.5 to 8.0 0.58