Additional data gathered on all identified randomised controlled trials (RCTs) or quasi-RCTs
| Country in which trial was carried out |
|---|
| Primary site of trial: hospital inpatient, hospital outpatient, community; single or multiple sites |
| Specialty area—for example, respiratory medicine, neonatal, etc |
| Selected RCT design details: method of random allocation, unit of allocation, blinding |
| Trial structure: parallel group, crossover, factorial design |
| Number, nature, and duration of interventions and control groups |
| Nature of primary intervention: pharmacological (placebo/non-placebo), non-pharmacological |
| Funding source |
| Whether RCT was identified by a recommended medlinesearch strategy for RCTs |
| Quality assessment (on a 3 point rating scale) |
| Quality of random allocation (control of selection bias at entry) |
| Extent to which primary analysis included every person entered into the randomised cohorts (control of selection bias after entry) |
| Extent to which those assessing outcome were kept unaware of the group assignment of the individuals examined (control of bias in assessing outcome) |