Table 2.
Univariate analysis of disease-related risk factors for CRVT (n = 1905 CVCs).
| Variable | NO symptomatic CRVT (n = 1905) | Symptomatic CRVT (n = 209) | OR | 95% CI | P value |
| Respiratory failure, No. (%) | 358 (18.8) | 28 (13.4) | 0.668 | 0.442–1.012 | .057 |
| Sepsis, No. (%) | 345 (18.1) | 29 (13.9) | 0.729 | 0.484–1.097 | .129 |
| Heart failure, No. (%) | 290 (15.2) | 47 (22.5) | 1.414 | 1.141–2.288 | .007 |
| Major surgery, No. (%) | 214 (11.2) | 41 (19.6) | 1.928 | 1.332–2.791 | .001 |
| Trauma, No. (%) | 215 (11.3) | 35 (16.7) | 1.581 | 1.071–2.335 | .021 |
| Hypovolemic shock, No. (%) | 127 (6.7) | 15 (7.2) | 1.082 | 0.621–1.886 | .780 |
| Renal failure, No. (%) | 96 (5.0) | 6 (2.9) | 0.557 | 0.241–1.287 | .171 |
| Cerebrovascular disease, No. (%) | 82 (4.3) | 11 (5.3) | 1.235 | 0.647–2.357 | .522 |
| Severe acute pancreatitis, No. (%) | 86 (4.5) | 4 (1.9) | 0.413 | 0.150–1.136 | .087 |
| Liver function failure, No. (%) | 39 (2.0) | 6 (2.9) | 1.616 | 0.592–3.381 | .436 |
| Intestinal obstruction, No. (%) | 34 (1.8) | 6 (2.9) | 1.626 | 0.675–3.921 | .279 |
CI = confidence interval, CRVT = catheter-related venous thrombosis, OR = odds ratio.