Table II.
Summary of data collected
| First author (year) | Was a method of randomisation used? | Were the groups similar at baseline regarding the most important prognostic indicators? | Were the eligibility criteria specified? | Was the outcome assessor blinded? | Was the care provider blinded? | Was the patient blinded? | Were point estimates and measures of variability presented for the primary outcome measures? | Did the analysis include an intention-to-treat analysis? |
|---|---|---|---|---|---|---|---|---|
| Myhill (2012) | Yes | Yes | Yes | NA | NA | NA | Yes | NA |
| Dawson (2008) | No | Yes | Yes | NA | NA | NA | Yes | NA |
| West (2007) | Yes | Yes | Yes | Yes | NA | NA | Yes | NA |
| Babu (2005) | No | Yes | Yes | NA | NA | NA | Yes | NA |
| Harsch (2004) | No | Yes | Yes | NA | NA | NA | Yes | NA |
| Brooks (1994) | No | Yes | Yes | NA | NA | NA | Yes | NA |
NA – information not available or not applicable