borderline significantp = 0.044
4 , data from 8 RCT arms involving 607 participants (fluoxetine: 296; placebo: 311) showed a borderline significant decrease in HbA1c levels following fluoxetine treatment (WMD: − 0.61%; 95% CI: − 1.22 to − 0.016; p = 0.044), with significant between-study heterogeneity (I2 = 88%, p = 0.000).