Table 3

Univariate and multivariate analyses of haemorrhagic events

Variables	Univariate			Multivariate
Variables	OR	95% CI	P value	OR	95% CI	P value
Age, years	1.00	0.98 to 1.03	0.76
Female	1.58	0.71 to 3.56	0.27	1.81	0.75 to 4.35	0.19
Ruptured aneurysm	6.75	1.53 to 29.78	0.01	6.00	1.33 to 27.37	0.02
Fisher grade	1.09	0.67 to 1.78	0.72
Hunt and Hess Scale	1.01	0.68 to 1.49	0.96
Platelet count at admission	1.00	0.99 to 1.01	0.56
Delta platelet count	1.00	0.99 to 1.01	0.79
Platelet ratio	1.26	0.16 to 9.94	0.83
Haemoglobin at admission	1.09	0.87 to 1.37	0.46
Delta haemoglobin	0.93	0.69 to 1.25	0.52
Haemoglobin ratio	5.84	0.18 to 195.25	0.32
Time to tirofiban (min)*	1.00	0.99 to 1.01	0.36
Tirofiban duration of infusion	1.00	0.99 to 1.01	0.27	0.99	0.99 to 1.01	0.22
Time of EVD†	1.00	0.99 to 1.01	0.67

*Time between start of the procedure and initiation of the infusion of tirofiban and administration of DAPT.
†Time between EVD placement and initiation of the infusion of tirofiban and administration of DAPT.
DAPT, dual antiplatelet therapy; EVD, external ventricular device.