Table 3.

Significance levels (p-values) from four repeated measures ANOVA models that compared children who had adenotonsillectomy (n=78) and controls (n=27).

Outcome Variable	Main effect for group	Main effect for time	Time by group interaction	Group differences at baseline	Group differences at one year	Time differences for AT group	Time differences for control group
Apnea/hypopnea index	0.002	<0.001	<0.001	<0.001	0.919	<0.001	0.768
Behavioral Hyperactivity Index	0.008	0.022	0.172	0.003	0.056	<0.001	0.588
Cognitive Attention Index	0.037	0.011	0.280	0.020	0.133	<0.001	0.390
Mean Sleep Latency	0.051	0.707	0.005	0.002	0.745	0.001	0.160