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. Author manuscript; available in PMC: 2016 Jan 1.
Published in final edited form as: J Neurointerv Surg. 2014 Nov 6;8(1):2–7. doi: 10.1136/neurintsurg-2014-011438

Figure 2.

Figure 2

Distribution of modified Rankin scores (mRS) by dichotomized collateral scores on presentation. (A) mRS at discharge for the cohorts of patients presenting with collateral grades 3–4 vs 0–2 (4±1.7 vs 5±1.6, p<0.01, Mann–Whitney U test). (B) mRS at 90 days for the cohorts of patients presenting with collateral grades 3–4 vs 0–2 (2.5±2.3 vs 4±1.9, p=0.03, Mann–Whitney U test). Values were available for a subset of the cohort, as indicated in parentheses. For both figures, numbers in white indicate the percentage of patients within each category.