Table 1

Search strategy

PICO termDescription
PopulationPatients 1 month to 15 years of age with respiratory distress including, but not limited to, pneumonia or bronchiolitis in low-income and middle-income countries
InterventionNon-invasive ventilation including bCPAP, positive end-expiratory pressure and CPAP used in the acute hospital setting for treatment of respiratory distress
ComparisonHigh or low-flow oxygen therapy through nasal cannula, mechanical ventilation or no respiratory support
OutcomeMortality, treatment failure, adverse events
  • bCPAP, bubble continuous positive airway pressure.