Group-based education (GBE) in self management strategies v a control condition that included usual care, no intervention, or a waiting list in type 2 diabetes mellitus*

Weighted means
OutcomesFollow up in monthsNumber of trials (n)GBEControlWeighted mean difference (95% CI)
*CI defined in glossary.
Glycated haemoglobin (%)4–63 (395)9.5310.88−1.35 (−1.93 to −0.78)
12–147 (1044)7.938.75−0.82 (−0.99 to −0.65)
242 (333)6.547.51−0.97 (−1.40 to −0.54)
Fasting blood glucose (mmol/l)12–144 (641)9.5510.72−1.17 (−1.63 to −0.72)