Table 3.
Coefficients of Final Model
| Variable | Estimate | Standard error | p |
|---|---|---|---|
| Intercept | 150.73 | 18.58 | <0.0001 |
| Baseline weight, kg | −0.33 | 0.07 | <0.0001 |
| Diabetes | |||
| No | 0 (ref) | ||
| Yes, no insulin | −12.08 | 3.9 | 0.002 |
| Yes, with insulin | −16.08 | 4.01 | <0.0001 |
| ASA class | |||
| 2 | 0 (ref) | ||
| 3 | −6.76 | 4.11 | 0.1 |
| 4 | 10.61 | 9.42 | 0.26 |
| Mobility device | −20.05 | 8.13 | 0.015 |
| Preop hematocrit (per %) | −0.64 | 0.41 | 0.12 |
| LSG (vs. LRYGB) | −29.2 | 3.79 | <0.0001 |
| Preop %EWL | 0.34 | 0.25 | 0.18 |
| Time | |||
| Year 1 | 0 (ref) | ||
| Year 2 | −3.66 | 2.1 | 0.08 |
| Year 3 | −6.72 | 1.53 | <0.0001 |
| Preop %EWL × time | |||
| Year 1 | 0 (ref) | ||
| Year 2 | 0.07 | 0.19 | 0.72 |
| Year 3 | −0.29 | 0.14 | 0.04 |
LRYGB, laparoscopic Roux-en-Y gastric bypass; LSG, laparoscopic sleeve gastrectomy.