Research Article

Vitamin D Concentration Changes after Bariatric Surgery

Figure 1

BMI before and after surgery, intragroup. Results are presented as mean ± SEM. Data were analyzed by one-way ANOVA followed by Tukey’s test, VSG before × VSG after and #### BGYR before × BGYR after. Groups: VSG before, n = 57; VSG after, n = 57; BGYR before, n = 58; BGYR after, n = 60. Vertical sleeve gastrectomy (VSG); RYGB: Roux-en-Y gastric bypass.