Research Article

Identifying the Predictors of Short Term Weight Loss Failure after Roux-En-Y Gastric Bypass

Table 3

Comparison of the resting metabolic rate, metabolic and calorimetric factors at the baseline, 1 month, and 6 months after gastric bypass surgery among study participants.

Baseline (n = 54) mean ± SD1st month (n = 54) mean ± SD6th month (n = 54) mean ± SDTime effect pBaseline vs. 1st monthBaseline vs. 6th month1st month vs. 6th month
Mean difference (SE)pMean difference (SE)pMean difference (SE)p

RMR (kcal)1669 ± 250.161533.06 ± 188.191460.09 ± 160.03<0.001−136.12 (20.77)<0.001−209.09 (27.90)<0.001−72.97 (22.65)0.002

RMR/weight (kcal/kg)13.68 ± 1.4114.32 ± 1.4416.44 ± 1.44<0.0010.64 (0.16)<0.0012.76 (0.20)<0.0012.13 (0.19)<0.001

Abbreviations: RMR: resting metabolic rate; SD: standard deviation. Data were presented as mean ± SD. Significant difference.