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Table 3: Univariate analysis of associations for outcomes for the dichotomized leptomeningeal score
Outcome Collateral Score 3 (n = 34) Collateral Score 0–2 (n = 53) ORs (95% CIs)
Unadjusted P Value^a Adjusted for IV-tPA P Value^b Adjusted^c P Value^b
Clinical outcome mRS ≤2 at 3 months 24 (71%) 23 (43%) 3.13 (1.252–7.825) .016 2.998 (1.154–7.786) .024 2.985 (1.027–8.673) .045
Intracranial hemorrhage 4 (12%) 13 (25%) 0.41 (0.122–1.385) .174 0.5 (0.141–1.770) .283 0.510 (0.141–1.850) .306
Mortality at 1 month 2 (6%) 11 (21%) 0.239 (0.049–1.153) .070 0.21 (0.041–1.073) .061 0.215 (0.036–1.284) .092
↵a Fisher exact test.
↵b Logistic regression.
↵c Adjusted for age, baseline NIHSS score, IV-tPA, and TICI grades.

Outcome	Collateral Score 3 (n = 34)	Collateral Score 0–2 (n = 53)	ORs (95% CIs)
Outcome	Collateral Score 3 (n = 34)	Collateral Score 0–2 (n = 53)	Unadjusted	P Value^a	Adjusted for IV-tPA	P Value^b	Adjusted^c	P Value^b
Clinical outcome mRS ≤2 at 3 months	24 (71%)	23 (43%)	3.13 (1.252–7.825)	.016	2.998 (1.154–7.786)	.024	2.985 (1.027–8.673)	.045
Intracranial hemorrhage	4 (12%)	13 (25%)	0.41 (0.122–1.385)	.174	0.5 (0.141–1.770)	.283	0.510 (0.141–1.850)	.306
Mortality at 1 month	2 (6%)	11 (21%)	0.239 (0.049–1.153)	.070	0.21 (0.041–1.073)	.061	0.215 (0.036–1.284)	.092