Table 1.
Baseline clinical characteristics
| Variable | Statistic (N = 388) |
|---|---|
| Age at time of surgery, mean (SD), y | 46 (10) |
| Sex/menopausal status, n (%) | |
| Male | 65 (17) |
| Premenopausal female | 199 (51) |
| Postmenopausal female | 124 (32) |
| Height, mean (SD), cm | 165 (8) |
| Weight, mean (SD), kg | 137 (28) |
| Body mass index, mean (SD), kg/m2 | 50.2 (8.4) |
| Procedure type, n (%) | |
| Roux-en-Y gastric bypass | 284 (73.0) |
| Sleeve gastrectomy | 98 (25.3) |
| Duodenal switch | 6 (1.5) |
| Comorbidities, n (%) | |
| GERD | 161 (41.5) |
| Hypertension | 207 (53.4) |
| Obstructive sleep apnea | 177 (45.6) |
| Diabetes | 134 (34.5) |
| Chronic complications secondary to diabetes | 18 (4.6) |
| Renal disease | 4 (1.0) |
| Congestive heart failure | 6 (1.5) |
| Chronic pulmonary disease | 5 (1.3) |
| Rheumatologic disease | 15 (3.9) |
| Liver disease | 17 (4.4) |
| Active malignancy | 0 (0.0) |
| Charlson comorbidity index, mean (SD) | 0.2 (0.6) |
| Total months of follow-up, mean (SD) | 31 (21) |
GERD, gastroesophageal reflux disease.