Research Article
Does Obesity Predispose Medical Intensive Care Unit Patients to Venous Thromboembolism despite Prophylaxis? A Retrospective Chart Review
Table 1
Baseline demographics.
| | | BMI < 30 kg/m2 | BMI ≥ 30 kg/m2 | | | |
| | Male (%) | 159 (56%) | 126 (46%) | 0.016 | | Average BMI (SD), kg/m2 | 24.8 (3.3) | 38.8 (8.8) | | | Age (SD) | 61.8 (16.9) | 64.2 (14.2) | 0.074 | | Primary reason for admission | | | 0.014 | | Cardiovascular | 22 (7.7%) | 14 (5.1%) | | | Respiratory | 151 (53%) | 133 (48%) | | | Gastrointestinal | 10 (3.5%) | 19 (6.9%) | | | Renal | 7 (2.5%) | 11 (4%) | | | Neurologic | 19 (6.7%) | 8 (2.9%) | | | Sepsis | 50 (17.5%) | 74 (26.8%) | | | Metabolic | 6 (2.1%) | 5 (2%) | | | Other | 20 (7%) | 12 (4.3%) | | | Active hematologic or oncologic process | 50 (17.5%) | 35 (12.7%) | 0.108 | | Documented sleep apnea | 20 (7%) | 85 (30.8%) | <0.001 | | History of thrombosis | 15 (5.3%) | 20 (7.2%) | 0.332 | | Treatment of thrombosis | 15 (100%) | 19 (95%) | | | complete | | | | | Antiplatelet agents | | | 0.0021 | | Aspirin | 89 (31.2%) | 119 (43%) | | | Clopidogrel | 1 (0.5%) | 4 (1.5%) | | | Both | 9 (3.2%) | 14 (5.1%) | | | 1-hour acute physiology score (SD) | 36 (19.5) | 38.5 (20.1) | 0.14 | | 24-hour acute physiology score (SD) | 62.8 (21.4) | 66 (21.5) | 0.075 | | Dialysis | | | 0.203 | | Chronic | 15 (5.3%) | 18 (6.5%) | | | New/acute | 26 (9.1%) | 37 (13.4%) | | | Mechanical ventilation | | | 0.119 | | Noninvasive | 45 (15.8%) | 65 (23.6%) | | | Invasive | 112 (39.3%) | 92 (33.3%) | | | Both | 72 (25.3%) | 65 (23.6%) | | | IVC filter | 11 (3.9%) | 7 (2.5%) | 0.374 | | Mechanical VTE prophylaxis device | 119 (41.7%) | 88 (31.3%) | 0.015 | | Subcutaneous heparin | 282 (98.9%) | 270 (97.8%) | | | Subcutaneous dalteparin | 3 (1.1%) | 6 (2.2%) | |
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