Table 2.
Logistic regression analysis of LEDVT-related factors
| Factors | LEDVT | NO LEDVT | Univariate | Multivariate | ||
|---|---|---|---|---|---|---|
| n = 270 | n = 3182 | OR (95 % CI) | P | OR (95 % CI) | P | |
| PICC | 43 | 61 | 9.692 (6.414–14.646) | 0.000 | 4.268 (2.501–7.282) | 0.000 |
| Age (year, mean ± standard deviation) | 61.27 ± 12.63 | 61.57 ± 13.71 | 0.998 (0.989–1.007) | 0.724 | 1.005 (0.995–1.015) | 0.325 |
| Male | 156 | 1941 | 0.875 (0.680–1.125) | 0.298 | 1.036 (0.788–1.360) | 0.802 |
| Malignant tumor | 48 | 79 | 8.493 (5.787–12.464) | 0.000 | 1.856 (1.038–3.321) | 0.037 |
| Recent surgery | 80 | 160 | 7.593 (5.857–10.797) | 0.000 | 4.056 (2.503–6.571) | 0.000 |
| Cerebral hemorrhage | 26 | 210 | 1.508 (0.983–2.313) | 0.060 | 0.699 (0.421–1.161) | 0.167 |
| Ischemic stroke | 74 | 1539 | 0.403 (0.306–0.531) | 0.000 | 0.562 (0.411–0.768) | 0.000 |
| Parkinson’s disease | 8 | 222 | 0.407 (0.199–0.834) | 0.014 | 0.511 (0.245–1.067) | 0.074 |
| Infection | 26 | 311 | 0.984 (0.646–1.499) | 0.939 | 1.597 (1.016–2.508) | 0.042 |
| BMI ≥ 25 | 29 | 209 | 1.712 (1.136–2.579) | 0.010 | 1.325 (0.838–2.096) | 0.229 |
| Unconsciousness | 78 | 549 | 1.948 (1.474–2.575) | 0.000 | 1.007 (0.691–1.467) | 0.972 |
| Critical illness | 57 | 117 | 7.010 (4.961–9.906) | 0.000 | 5.179 (3.390–7.911) | 0.000 |
Note: PICC refers to peripherally inserted central venous catheter; BMI refers to body mass index; malignant tumor refers to cases treated within the prior six months; recent surgery refers to neurosurgery (over two hours) performed within six months; critical illness refers to the circumstance where patients have a high risk of disease variation or death