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. 2023 Mar;44(3):254–260. doi: 10.3174/ajnr.A7779

Subject demographics stratified by outcome group

Variable Follows Commands (n = 17) Does Not Follow Commands (n = 64) P Value
Age (mean) (yr) 55 (SD, 16) 57 (SD, 15) .741
Female sex 4/17 (24%) 18/64 (28%) .701
Race and ethnicitya .757
 Asian 4 (21%) 6 (9%)
 Black 3 (16%) 14 (22%)
 Hispanic 2 (11%) 6 (9%)
 Hawaiian 0 (0%) 2 (3%)
 Non-Hispanic white 2 (11%) 6 (9%)
 Unknown 8 (42%) 30 (47%)
Time from ROSC to MR imaging (mean) (hr) 120 (SD, 26) 115 (SD, 27) .496
Shockable rhythm 6/17 (35%) 12/64 (19%) .145
Out-of-hospital cardiac arrest 14/17 (82%) 49/64 (77%) .610
Time to ROSC (mean) 19 (SD, 14) 24 (SD, 14) .182
a

Patient race and ethnicity do not add to 100% as some patients reported more than one race and ethnicity combination.