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. 2012 Dec 17;16(6):R234. doi: 10.1186/cc11902

Table 3.

Brain-derived neurotrophic factor levels in the subset of patients without clinically detectable brain dysfunction

Survivors (n = 31) Nonsurvivors (n = 8) P value
BDNF D0, mean (SD) 6,811 (2,613) 5,970 (3,054) 0.437
BDNF D2, mean (SD) 6,736 (2,613) 3,115 (1,997) < 0.0001
% variation BDNF, n
Decrease 4 5 0.003
No change/increase 27 3

BDNF D0, brain-derived neurotrophic factor collected within 12 hours of enrollment; BDNF D2, brain-derived neurotrophic factor collected 48 hours after intensive care admission.