Table 4.

Post-ventriculostomy Analysis

Parameter	No Evidence of New/Enlarged ICH (n = 54)	Evidence of New/Enlarged ICH (n = 27)	p-value
EVD placed by a trainee or mid-level practitioner, n (%) a	19 (35.19)	8 (29.63%)	0.6171
Placement Attempts, (Median ± IQR) (n = 69) b	1 (0)	1 (0)	0.8831
Anticoagulation within 96 h of EVD, n (%) a	14 (25.9)	2 (7.4)	0.048
Prophylactic anticoagulation, n (%) a, d	11 (20.4)	2 (7.4)	> 0.999
Antiplatelet within 96 h of EVD, n (%) c	3 (5.6)	6 (22.2)	0.0539
GCS (lowest) POD 1, (Median ± IQR) b	6 ± 6	6 ± 6	0.17
GCS (lowest) POD 2, (Median ± IQR) (n = 80) b	6.5 ± 7.8	4.5 ± 6.5	0.0624
GCS (lowest) POD 3, (Median ± IQR) (n = 76) b	8 ± 10	3 ± 6.8	0.0202
GCS (lowest) POD 4, (Median ± IQR) (n = 72) b	9 ± 10	4 ± 5.3	0.0383

^aChi Square

^bMann-Whitney U

^cFisher’s Exact

^dInferential test was performed on in those patients who received anticoagulation