. 2010 Jan-Mar;17(1):44–48.

Table 1:

Results of a multivariate analysis to determine the association between the angioarchitecture of BAVM and intracranial bleeding

Variable	n	OR (95% Cl)	P-value	Adjusted OR (95% Cl)	P-value
Size of nidus
<3 cm	20	0.08 (0.0–0.3)	0.000	19.8 (2.7–142.9)	0.004
3–6 cm	37	0.08 (0.0–0.3)	0.000	19.8 (2.7–142.9)	0.004

Venous drainage
Superficial	26	5.40 (1.6–18.4)	0.007	0.79 (0.06–10.3)	0.858
Deep	32	5.40 (1.6–18.4)	0.007	0.79 (0.06–10.3)	0.858

Location
Superficial	28	18.7 (3.7–94.1)	0.000	0.01 (0.0–0.2)	0.003
Deep	30	18.7 (3.7–94.1)	0.000	0.01 (0.0–0.2)	0.003