3.2. Psychiatric Scales
Depression, Insomnia, HRSD
First, we examined differences between treatments groups (Placebo versus Probiotic) with respect to the average change from baseline to end of intervention in three response variables, i.e., Beck Depression Inventory (BDI), Hamilton Psychiatric Rating Scale for Depression (HRSD), and Insomnia scale, while accounting for the type of bariatric surgery (RYGB versus SG, The lack of significant interaction between the type of surgery, intervention and time (