There was insufficient reporting to verify whether there was good balance at baseline in the crossover trials.
Although the hypolipidemic effects of RYR extract have been well documented, there have been insufficient reports about RYR from local Thai rice.
The quality was rated poor because the study did not have a sufficient sample size to assess efficacy and there was insufficient reporting of randomization and concealment.
Most studies described the nature and pattern of the intervention, however there was insufficient reporting on health provider outcomes, particularly on fidelity of the interventions delivered.
In six studies (CS28, CS31, CS35, CS37, 149-99-03, ABACS1), there was insufficient reporting of attrition and exclusions to permit judgement on incomplete outcome data.
Time points were poorly reported, where these were reported we used data for this analysis for the primary outcome time point, there was insufficient reporting of this variable to group other time points for further analysis.
In reviewing study quality, frequently there was insufficient reporting of methods to properly evaluate this; one contributory factor to this may be that many journals' word limits may not facilitate proper reporting of complex methodology.
There is insufficient experience reported in the literature in switching from one agent to another.
While wider educational literature suggests that tutor training may enhance the outcomes for tutees [ 1, 38, 39], there is insufficient evidence reported within medical education literature to confirm this [ 5].
Of the 48 studies assessed in more detail, 39 used and described a statistical method, 34 of these (87%) were judged by the two statistical assessors to have used an appropriate statistical method, however in the remaining 5 papers there was insufficient information reported in the publication to be able to make this judgement (see Table 18).
