Fig. 3From: Effect of pioglitazone, as antidiabetic agent, on atheroma regression in type 2 diabetic patients: a systematic review and meta-analysisEffect of pioglitazone vs. other antidiabetic agents on HbA1c. CI, confidence interval; HbA1c, glycated hemoglobin; I2, heterogeneity; IV, intravitreal; SD, standard deviation; Z, overall effectBack to article page