Table 3:

Univariate and multivariate logistic regression analyses of LFI and 3 LFI-combined models of factors associated with rupture in AVMs

	Univariable Analysis		Angioarchitecture Model		Hemodynamic Model		Combined Model
	OR (95% CI)	P Value	OR (95% CI)	P Value	OR (95% CI)	P Value	OR (95% CI)	P Value
LFI	1.007 (1.003–1.010)	.001^{^a}	1.004 (1.001–1.008)	.02^{^a}	1.005 (1.001–1.009)	.009^{^a}	1.004 (1.000–1.007)	.03^{^a}
Mean nidus volume			0.979 (0.964–0.994)	.007^{^a}			0.959 (0.931–0.988)	.005^{^a}
Angioarchitecture
Feeding artery dilation			1.047 (0.443–2.472)	.92			1.028 (0.429–2.461)	.95
Single feeding artery			0.783 (0.299–2.049)	.62			1.112 (0.768–1.608)	.57
Deep venous drainage			2.315 (1.018–6.947)	.05^{^a}			2.684 (1.132–6.361)	.03^{^a}
Diffuse nidus			2.863 (1.180–6.947)	.02^{^a}			2.990 (1.114–8.022)	.03^{^a}
Flow-related aneurysm			3.417 (1.521–7.678)	.003^{^a}			3.617 (1.544–8.474)	.003^{^a}
Hemodynamic
Feeding artery
FWHM (sec)					1.067 (0.703–1.619)	.76	0.949 (0.590–1.524)	.83
Drainage vein
FWHM (sec)					1.218 (0.750–1.978)	.43	1.17 1 (0.695–1.974)	.55
MTT (ICA-sinus)					1.084 (0.811–1.448)	.59	1.297 (0.933–1.803)	.12
TRV					0.999 (0.997–1.001)	.26	1.004 (0.999–1.009)	.14

↵a Statistical significance (P < .05).