Table 1.
Demographics and Comorbidities of Patients Undergoing Laparoscopic Sleeve Gastrectomy
| Variable | Total (n = 51830) | Male (n = 10797) | Female (n = 41033) | P-value |
|---|---|---|---|---|
| Demographics | ||||
| Age ≥ 65 years | 2690 (5.20%) | 835 (7.70%) | 1855 (4.50%) | <0.0001 |
| BMI 35 – 39 | 8151 (15.70%) | 1482 (13.70%) | 6669 (16.30%) | <0.0001 |
| BMI 40 – 49 | 25502 (49.20%) | 5025 (46.50%) | 20477 (49.90%) | <0.0001 |
| BMI ≥ 50 | 11452 (22.10%) | 2979 (27.60%) | 8473 (20.70%) | <0.0001 |
| Black | 9541 (18.40%) | 1245 (11.50%) | 8296 (20.20%) | <0.0001 |
| Native American | 186 (0.40%) | 36 (0.30%) | 150 (0.40%) | 0.62 |
| White | 34901 (67.30%) | 7876 (73.00%) | 27025 (65.9%) | <0.0001 |
| Hispanic | 5890 (11.40%) | 1114 (10.30%) | 4776 (11.60%) | 0.0001 |
| Smoker | 4776 (9.20%) | 1139 (10.60%) | 3637 (8.90%) | <0.0001 |
| Asian | 376 (0.70%) | 95 (0.90%) | 281 (0.70%) | 0.03 |
| Pacific Islander | 143 (0.30%) | 38 (0.40%) | 105 (0.30%) | 0.09 |
| Comorbidities | ||||
| Dyspnea | 6342 (12.20%) | 1412 (13.10%) | 4930 (12.00%) | 0.003 |
| Hypertension requiring medication | 23607 (45.60%) | 6455 (59.8%) | 17152 (41.80%) | <0.0001 |
| Diabetes | 11869 (22.90%) | 3313 (30.7%) | 8556 (20.90%) | <0.0001 |
| Chronic Obstructive Pulmonary Disease | 845 (1.60%) | 229 (2.1%) | 619 (1.50%) | <0.0001 |
| Ventilation | 8 (0.02%) | 2 (0.02%) | 6 (0.01%) | 0.77 |
| Ascites | 3 (0.01%) | 2 (0.02%) | 1 (0.01%) | 0.05 |
| Congestive Heart Failure | 194 (0.40%) | 88 (0.80%) | 106 (0.30%) | <0.0001 |
| Acute Renal Failure | 28 (0.10%) | 13 (0.10%) | 15 (0.04%) | 0.0008 |
| Currently on Dialysis | 240 (0.50%) | 98 (0.90%) | 142 (0.40%) | <0.0001 |
| Disseminated Cancer | 5 (0.01%) | 1 (0.01%) | 4 (0.01%) | 0.96 |
| Open Wound Infection | 116 (0.20%) | 57 (0.50%) | 59 (0.10%) | <0.0001 |
| Steroid Use (for chronic condition) | 1072 (2.10%) | 203 (1.90%) | 869 (2.10%) | 0.12 |
| >10% body weight loss | 26 (0.10%) | 7 (0.10%) | 19 (0.10%) | 0.44 |
| Bleeding Disorder | 503 (1.00%) | 175 (1.60%) | 328 (0.80%) | <0.0001 |
| Pre-operative Blood Transfusion | 6 (0.01%) | 1 (0.01%) | 5 (0.01%) | 0.80 |
BMI, body mass index in kg/m2; Smoker, current smoker within one year; Diabetic, diabetes mellitus requiring therapy with non-insulin agents or insulin; Ascites, ascites within 30 days prior to surgery; History of congestive heart failure within 30 days prior surgery; >10% body weight loss, greater than 10% loss in body weight in last 6 months; Pre-operative Blood Transfusion, pre-operative transfusion of greater than or equal to 1 unit of whole/packed red blood cells in 72 h prior to surgery.