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. Author manuscript; available in PMC: 2014 Sep 1.
Published in final edited form as: Obesity (Silver Spring). 2014 Feb 6;22(3):888–894. doi: 10.1002/oby.20529

Table 3.

Clinical variables associated with 36+ month weight loss (N=857).

Estimate SE p-value
Intercept 56.7 3.6
Baseline BMI
    35-39.9 40.9 4.3 <.0001
    40-49.9 16.4 2.9 <.0001
    50-59.9 3.5 2.9 0.230
    60+ Reference
Diabetes group
    Any diabetes medication −5.3 1.7 0.0024
Use of bupropion
    Active use of medication 6.4 2.8 0.0244
Smoking
    History of smoking 4.8 2.2 0.0300
Age and surgical access
    Age 50+ with Laparoscopic surgery Reference
    Age 50+ with Open surgery −9.5 2.7 0.0004
    Age<50 with Laparoscopic surgery −3.9 2.6 0.135
    Age<50 with Open surgery −4.9 2.6 0.062
Liver pathology and baseline BMI
    No fibrosis Reference
    Any Fibrosis with baseline BMI<50 kg/m2 −13.4 4.3 0.0020
    Any Fibrosis with baseline BMI 50+ kg/m2 −0.1 4.6 0.974