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. 2013 Jan 18;56(9):1232–1239. doi: 10.1093/cid/cit018

Table 4.

Comparison of Intelligence Quotient Scores at Age 5 Years Between Children With Congenital Cytomegalovirus and Controls in the West London Study

Children With Congenital CMV Controls P Valuea
IQ Score (n = 69) (n = 108)
Overall IQ
 Median 109.0 111.5
 Mean 111.7 113.0
 Variance 246.6 185.0 .561
Performance IQ
 Median 118.0 118.0
 Mean 119.3 118.1
 Variance 201.6 198.8 .566
Verbal IQ
 Median 97.0 105.5
 Mean 102.6 106.0
 Variance 315.6 186.2 .056

Abbreviations: CMV, cytomegalovirus; IQ, intelligence quotient.

a Obtained with 2-sample t test for overall IQ and performance IQ, and with Kruskal-Wallis test for verbal IQ, as variances were significantly different (P = .01).