Table 3

Comparison of meta-analyses of individual patient data on self-monitoring/self-management

StudyFarmer et al37
Self-monitoring of blood glucose		Heneghan et al38
Self-monitoring of oral anticoagulation		Pickup et al39
Self-monitoring of blood glucose		TASTE-IPD
Self-management
Number of studies approached and declined19 27100% participation52% participation100% participationOngoing
Systematic search27±
Limited syntax		+±
Limited syntax		+
Efforts to include non-published data20++−−
Intention-to-treat analysis27++?+
Clustering within studies preserved in analysis19+
Random intercepts in 1-stage model		+
2-stage model		±
Preservation in 1-stage model unclear		+
Random intercepts in 1-stage model
Handling missing data within studies and impact on results27+?
No information handling missing data		+/?
No information impact missing data		+
Impact of missing trials on results19 27NA?NA+
Sensitivity analysis of aggregate data
Impact of quality assessment on results19+
Sensitivity analysis		−
No analysis		−
No analysis		+
Sensitivity analysis

  • NA, not applicable; +, present in study; ±, partly present in study; –, not present in study; ?, no information in publication.