showed a trendp = 0.09
Comparison between pioglitazone dosage showed that 30 mg fixed-dose was similarly efficacious as the comparators (WMD: −0.01, 95% CI: −0.29 to 0.28, p = 0.96), whereas 45 mg fixed-dose showed a trend towards greater HbA1c reduction compared with other AD drugs (WMD: −0.48, 95% CI: −1.04 to 0.07, p = 0.09).