From: Outcomes of thromboprophylaxis with enoxaparin vs. unfractionated heparin in medical inpatients
 | Prophylaxis Received |  | |
---|---|---|---|
Characteristic | Enoxaparin | UFH | p-value |
N | 479 | 2,837 | Â |
Age (Mean [Range]) | 75.6 (40–98) | 71.8 (40–101) | <0.001 |
Age group [n (%)]: | Â | Â | Â |
   40–49 years | 30 (6.3) | 185 (6.5) | <0.001 |
   50–59 years | 39 (8.1) | 414 (14.6) |  |
   60–69 years | 67 (14) | 527 (18.6) |  |
   70–79 years | 131 (27.3) | 850 (30.0) |  |
   80–89 years | 165 (34.4) | 687 (24.2) |  |
   90+ years | 47 (9.8) | 174 (6.1) |  |
Female [n (%)] | 285 (59.5) | 1,506 (53.1) | 0.009 |
White [n (%)] | 449 (93.7) | 2,302 (81.1) | <0.001 |
Principal diagnosis [n (%)]: | Â | Â | Â |
   Circulatory | 215 (44.9) | 1,349 (47.6) | 0.062 |
   Respiratory | 150 (31.3) | 926 (32.6) |  |
   Acute Infection | 70 (14.6) | 296 (10.4) |  |
   Neoplasm | 44 (9.2) | 266 (9.4) |  |
Risk factors for VTE [n (%)]: | Â | Â | Â |
   CHF | 194 (40.5) | 810 (28.6) | <0.001 |
   COPD | 156 (32.6) | 826 (29.1) | 0.126 |
   Receipt of HRT | 19 (4.0) | 127 (4.5) | 0.615 |
   Obesity (coded as medical condition) | 21 (4.4) | 123 (4.3) | 0.962 |
   Inflammatory bowel disease | 3 (0.6) | 6 (0.2) | 0.129 |
   Fracture of lower limb | 3 (0.6) | 3 (0.1) | 0.043 |
   Nephrotic syndrome | 1 (0.2) | 5 (0.2) | 1.000 |
Geographic region of hospital [n (%)]: | Â | Â | Â |
   Northeast | 374 (78.1) | 1,227 (43.2) | <0.001 |
   Midwest | 21 (4.4) | 681 (24.0) |  |
   South | 79 (16.5) | 916 (32.3) |  |
   West | 5 (1.0) | 13 (0.5) |  |
Hospital size [n (%)]: | Â | Â | Â |
   < 200 beds | 30 (6.3) | 214 (7.5) | <0.001 |
   200–499 beds | 273 (57.0) | 864 (30.5) |  |
   500+ beds | 176 (36.7) | 1,759 (62.0) |  |
Teaching hospital [n (%)] | 260 (54.3) | 2,235 (78.8) | <0.001 |