TABLE 2.
Treatment Characteristics in Patients With Spontaneous IVH, Stratified by VTE
| Variable | VTE, n = 59 (%) | No VTE, n = 441 (%) | P value |
|---|---|---|---|
| Duration of EVD, da | 11.0 (9.0-15.0) | 11.0 (8.0-14.0) | .20 |
| Permanent CSF shunt placement | 10 (16.9) | 80 (18.1) | .99 |
| Preceding infection (within first 30 d) | 30 (50.8) | 5 (1.1) | < .001 |
| Type of VTE prophylaxisb | |||
| Unfractionated heparin | 36 (76.6) | 256 (70.1) | .39 |
| Low molecular weight heparin | 11 (23.4) | 109 (29.9) | |
| Initiation of VTE prophylaxis before VTE detection | 36 (61.0) | 365 (82.8) | .02 |
| Initiation of VTE prophylaxis within 72 h of IVH symptom onset | 13 (22.0) | 149 (33.8) | .07 |
| Initiation of VTE prophylaxis within 7 d of IVH symptom onset | 29 (49.1) | 274 (62.1) | .64 |
Abbreviations: CSF, cerebrospinal fluid; EVD, external ventriculostomy drain; IVH, intraventricular hemorrhage; SD, standard deviation; VTE, venous thromboembolism.
aindicates values represented as median (interquartile range).
bVTE chemoprophylaxis was started in 401 patients. Bold font represents statistical significance.