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Table 3 Correlation coefficient of IQ with BDNF levels

From: Association of peripheral BDNF level with cognition, attention and behavior in preschool children

  Favorable directiona SERUM BDNF P value PLASMA BNDF P value
Pearson correlation
coefficient
Pearson correlation
coefficient
FSIQ −0.39 0.04 −0.21 0.30
VIQ −0.50 0.01 −0.02 0.91
PIQ −0.12 0.56 −0.33 0.08
  1. aDirection in which a change in score indicates good function