Table 2.
Baseline demographic and clinical characteristics of patients who underwent bariatric surgery by severity
| Parameter | Severe OI N = 14 | Moderate OI n = 71 | P Value (Chi‐Squared) |
|---|---|---|---|
| Age, mean (SD), y | 46.4 (12.5) | 46.3 (10.9) | |
| Weigh, mean (SD), years | 135.1 (23.1) | 136.3 (30.4) | |
| Male no. (%) | 4 (28.6) | 4 (18.3) | .43 |
| Female no. (%) | 10 (71.4) | 58 (81.7) | .69 |
| White no. (%) | 78.6 | 61 (85.9) | .49 |
| Black no. (%) | 21.4 | 10 (14.1) | .31 |
| Hispanic no. (%) | ‐‐‐ | ‐‐ | ‐‐‐ |
| Hypertension no. (%) | 9 (64.3) | 48 (67.6) | .89 |
| Sleep apnoea no. (%) | 12 (85.7) | 51 (71.8) | .58 |
| Neuropathy no. (%) | 1 (7.1) | 13 (18.3) | .35 |
| CHF no. (%) | 2 (14.3) | 9 (12.7) | .88 |
| ESRD no. (%) | 1 (7.1) | ‐‐‐ | ‐‐‐ |
| Diabetes no. (%) | 6 (42.9) | 6 (38.0) | .79 |
| CAD no. (%) | 2 (14.3) | 2 (14.1) | .98 |
| Hypoglycaemia no. (%) | ‐‐ | 1 (1.41) | ‐‐‐ |
Note. Data were abstracted from the Vanderbilt Synthetic Derivative.
Abbreviations: CAD, coronary artery disease; CHF, congestive heart failure; ESRD, end‐stage renal disease; OI, orthostatic intolerance; RYGB, Roux‐en‐Y gastric bypass; SD, standard deviation; VSG, vertical sleeve gastrectomy.