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. Author manuscript; available in PMC: 2012 Mar 8.
Published in final edited form as: Ann Thorac Surg. 2010 Dec;90(6):1985–1995. doi: 10.1016/j.athoracsur.2010.08.005

Table 3.

Severity of Impairment (Unadjusted Outcomes)

Domain No DHCA
DHCA
Moderate Impairment Severe Impairment Moderate Impairment Severe Impairment
Cognition 19/145 (13%) 17/145 (12%) 18/90 (20%) 9/90 (10%)
Language skills 19/144 (13%) 14/144 (10%) 14/90 (16%) 9/90 (10%)
Fine-motor skills 18/145 (12%) 18/145 (12%) 19/92 (21%) 11/92 (12%)
Visual-motor integration 19/134 (14%) 13/145 (9%) 22/92 (24%) 11/92 (12%)
Executive function 10/135 (7%) 6/135 (4%) 13/85 (15%) 5/85 (6%)
Inattention 40/144 (28%) NA 25/91 (27%) NA
Impulsivity 27/144 (19%) NA 19/91 (21%) NA
Social Skills 6/146 (4%) 5/146 (3%) 4/88 (5%) 3/88 (3%)

For cognition, language skills, fine-motor and visual motor skills, and executive function, moderate impairment is defined as a score ≥1 standard deviation (SD) but <2 SD below the mean and severe impairment is a score ≥2 SD below the mean. For inattention and impulsivity, a clinically significant is above 80%. For social skills, a moderate deficit is ≤89 but >71, and a significant deficit is ≤71. These cutoffs are at the 25th and 2nd percentiles, respectively.

DHCA = deep hypothermic circulatory arrest; NA = not applicable.