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Table 4 Logistic regression analysis of predictors of weight regain definitions

From: Definitions of Long-Term Weight Regain and Their Associations with Clinical Outcomes

Definition Age Gender Preoperative BMI Type of surgery
Odds ratio (95% CI) Odds ratio (95% CI) Odds ratio (95% CI) Odds ratio (95% CI)
I. Regain > 10 kg 0.97 (0.96 to 0.99)** 1.20 (0.84 to (1.70) 1.03 (1.01 to 1.06)* 0.77 (0.48 to 1.24)
II. RegainEWL25 0.98 (0.99 to 1.00) 0.96 (0.63 to 1.46) 0.89 (0.86 to 0.93)** 0.46 (0.27 to 0.79)*
III. Regain5BMI 0.97 (0.96 to 0.99)* 1.11 (0.72 to 1.73) 1.07 (1.04 to 1.10)** 0.78 (0.44 to 1.35)
IV. RegainBMI35 0.99 (0.97 to 1.01) 1.17 (0.71 to 1.94) 1.20 (1.15 to 1.26)** 0.98 (0.43 to 2.19)
V. AnyWeightRegain 1.00 (0.98 to 1.02) 0.95 (0.57 to 1.59) 0.99 (0.95 to 1.02) 0.61 (0.27 to 1.39)
VI. > 15%TWR from nadir 0.98 (0.96 to 0.99)* 0.79 (0.52 to 1.18) 1.00 (0.97 to 1.02) 0.67 (0.41 to 1.11)
  1. EWL excess weight loss, BMI body mass index, TWR total weight regain, FU follow-up
  2. *Significantly related, p < 0.05; **significantly related, p < 0.001