TABLE 1.
Demographics and Auxologic Measurements (Mean ± SD)
XXY | XYY | Controls | P valuea | |
---|---|---|---|---|
n | 82 | 26 | 50 | |
Age | 9.2 ± 2.5 | 9.5 ± 2.8 | 9.5 ± 2.9 | .87 |
SES | 50 ± 11b | 52 ± 10 | 54 ± 9 | .05 |
Height SDS | 0.8 ± 1.1 | 1.0 ± 1.2 | 0.1 ± 0.9 | .0001a |
Weight SDS | 0.6 ± 1.2 | 0.7 ± 1.2 | 0.5 ± 1.1 | .57 |
Head circumference SDS | 0.3 ± 1.5b | 1.2 ± 2.1c | 0.9 ± 1.4 | .03 |
Tanner stage-pubic hair | 1.4 ± 0.8 | 1.4 ± 1.1 | 1.3 ± 0.8 | .91 |
Testicular volume SDS (mean of 2) | −1.0 ± 1.6b | 2.8 ± 4.1c | 1.1 ± 2.5 | .0001a |
Race (% Caucasian) | 81% | 88% | 78% | .53 |
General conceptual ability standard score | 88 ± 14b | 91 ± 17d | 110 ± 16 | < .0001a |
ANOVA, comparison of 3 groups.
P < .05, XXY versus controls, ANOVA (post hoc).
P < .05, XYY versus XXY, ANOVA (post hoc).
P < .05, XYY versus controls, ANOVA (post hoc).