Table 1.
Demographic data and baseline characteristics
| Variable | All patients n = 319 | Surgery type | |
|---|---|---|---|
| Sleeve gastrectomy n = 61 (19.1%) | Roux-en-Y gastric bypass n = 258 (80.9%) | ||
| Gender | |||
| Female | 247 (77%) | 46 (75%) | 201 (78%) |
| Male | 72 (23%) | 15 (25%) | 57 (22%) |
| Age at surgery (yr) | |||
| Mean | 45 | 47 | 45 |
| Median | 47 | 49 | 46 |
| Range | 20–73 | 20–72 | 20–73 |
| Race/ethnicity | |||
| White | 231 (72.4%) | 42 (68.9%) | 189 (73.2%) |
| Hispanic | 34 (10.7%) | 4 (6.6%) | 30 (11.6%) |
| black | 30% (9.4%) | 10 (16.4%) | 20 (7.8%) |
| Asian | 1 (.3%) | 1 (1.6%) | 0 |
| Other/declined to state | 23 (7.2%) | 4 (6.6%) | 19 (7.4%) |
| Preoperative characteristics | |||
| Mean weight (lbs) | 296 (SD = 66) | 274 (SD = 57) | 301 (SD = 67) |
| Mean BMI (lbs/in2) | 48.3 (SD = 8.9) | 45 (SD = 7.8) | 49.1 (SD = 9.02) |
| Obesity Class | |||
| Class I (BMI 30–34.9) | 4 (1%) | 0 | 4 (2%) |
| Class II (BMI 35–39.9) | 53 (17%) | 19 (31%) | 34 (13%) |
| Class III (BMI ≥40) | 262 (82%) | 42 (69%) | 220 (85%) |
| Co-morbid conditions (Individual) | |||
| Hypertension | 177 (43.3%) | 31 (50.8%) | 146 (56.6%) |
| Type II diabetes | 116 (36.4%) | 20 (32.8%) | 96 (37.2%) |
| OSA | 106 (33.2%) | 20 (32.8%) | 86 (33.3%) |
| Dyslipidemia | 184 (56.7%) | 34 (55.7%) | 150 (58.1%) |
| NAFLD | 235 (73.7%) | 33 (54.1%) | 202 (78.3%) |
| Mental illness | 164 (51.4%) | 23 (37%) | 141 (54.7%) |
BMI = body mass index; NAFLD = nonalcoholic fatty liver disease; OSA = obstructive sleep apnea; SD = standard deviation.