Table 2

Multivariate analysis for predictors of first-pass success

Variable*	Anterior circulation (n=414)			Posterior circulation (59)
Variable*	OR	95% CI	P values	OR	95% CI	P values
Age	1.01	1 to 1.03	0.160	0.95	0.87 to 1.03	0.194
Female gender	1.19	0.79 to 1.82	0.406	0.62	0.13 to 3.08	0.559
White	1.05	0.69 to 1.59	0.830	0.58	0.08 to 4.25	0.593
Onset-to-groin time	1.00	1.00 to 1.001	0.551	0.99	0.998 to 0.999	0.044
Pre-stroke mRS score	0.85	0.68 to 1.07	0.158	2.11	0.61 to 7.32	0.239
Baseline NIHSS score	0.98	0.95 to 1.02	0.309	0.92	0.85 to 1.01	0.079
Diabetes	0.82	0.51 to 1.32	0.421	16.76	3.08 to 71.66	0.006
Hypertension	1.13	0.67 to 1.9	0.650	2.74	0.34 to 22.43	0.347
Hyperlipidemia	0.97	0.63 to 1.5	0.886	0.15	0.02 to 1.51	0.107
IV tPA	1.62	1.06 to 2.46	0.025	0.10	0.01 to 1.12	0.061
Tandem occlusions	0.18	0.04 to 0.78	0.023
Use of larger catheters (064/068)	2.33	1.16 to 4.68	0.017	7.49	0.73 to 77.44	0.091
Year	0.97	0.78 to 1.21	0.818	1.81	0.73 to 4.53	0.202
Etiology: cardioembolic	0.97	0.63 to 1.49	0.880	0.17	0.03 to 0.88	0.035

*Variables showing statistical significance (p<0.05) are in bold.
IV tPA, intravenous tissue plasminogen activator; MmRS, modified Rankin Scale; NIHSS, National Institutes of Health Stroke Scale.