Table 1.
Patient Demographics
| Total | No VTE | VTE | P-value | |
|---|---|---|---|---|
| No. of patients | 524 | 458 (87.4) | 66 (12.6) | |
| Sex | 0.43 | |||
| Male | 140 (26.7) | 125 (27.3) | 15 (22.7) | |
| Female | 384 (73.3) | 333 (72.7) | 51 (77.3) | |
| Fracture type | <0.01 | |||
| Femur neck | 171 (32.6) | 150 (32.8) | 21 (31.8) | |
| Intertrochanter | 272 (51.9) | 250 (54.6) | 22 (33.3) | |
| Subtrochanter | 17 (3.2) | 14 (3.1) | 3 (4.5) | |
| Femur shaft | 49 (9.4) | 31 (6.8) | 18 (27.3) | |
| Pelvis | 15 (2.9) | 13 (2.8) | 2 (3.0) | |
| Comorbidities | ||||
| HTN | 369 (70.4) | 322 (70.3) | 47 (71.2) | 0.88 |
| DM | 176 (33.6) | 159 (34.7) | 17 (25.8) | 0.15 |
| Dyslipidemia | 68 (13.0) | 60 (13.1) | 8 (12.1) | 0.83 |
| CKD | 63 (12.0) | 56 (12.2) | 7 (10.6) | 0.71 |
| CVA | 75 (14.3) | 67 (14.6) | 8 (12.1) | 0.59 |
| CAD | 57 (10.9) | 52 (11.4) | 5 (7.6) | 0.36 |
| Arrhythmia | 34 (6.5) | 31 (6.8) | 3 (4.5) | 0.49 |
| Pulmonary disease | 82 (15.6) | 73 (15.9) | 9 (13.6) | 0.63 |
| Pre-injury Koval score (mean) | 2.58±1.93 | 2.56±1.91 | 2.71±2.06 | 0.55 |
| Pre-injury Koval score <4 | 364 (69.5) | 320 (69.9) | 44 (66.7) | 0.58 |
| Time from injury to admission | 0.67 | |||
| <24 hr | 388 (74.0) | 343 (74.9) | 45 (68.2) | |
| ≥24, <72 hr | 69 (13.2) | 59 (12.9) | 10 (15.2) | |
| ≥72 hr | 67 (12.8) | 56 (12.2) | 11 (16.7) | |
| Anticoagulant | 161 (30.7) | 149 (32.5) | 12 (18.2) | 0.02 |
| Cancer history | 57 (10.9) | 48 (10.5) | 9 (13.6) | 0.44 |
| Smoking | 37 (7.1) | 35 (7.6) | 2 (3.0) | 0.17 |
| Elevated INR | 29 (5.5) | 26 (5.7) | 3 (4.5) | 0.71 |
| Age (yr) | 78.54±10.71 | 78.52±10.76 | 78.67±10.42 | 0.92 |
| Height (m) | 1.58±0.07 | 1.58±0.71 | 1.57±0.09 | 0.49 |
| Weight (kg) | 56.87±9.61 | 56.71±9.54 | 57.92±10.11 | 0.34 |
| BMI (kg/m2) | 22.86±3.33 | 22.79±3.33 | 24.38±2.94 | 0.03 |
| ≥25 | 112 (21.4) | 89 (19.4) | 23 (34.8) | <0.01 |
| D-dimer (mg/L) | 16.10±12.83 | 16.70±12.95 | 12.25±11.12 | <0.01 |
Values are presented as number (%) or mean±standard deviation.
VTE: venous thromboembolism, HTN: hypertension, DM: diabetes mellitus, CKD: chronic kidney disease, CVA: cerebrovascular accident, CAD: coronary artery disease, INR: international normalized ratio, BMI: body mass index.