Table 2.
—Unadjusted Associations Among 81 Children Between Sleep Apnea Measures at Baseline and Concurrent Neurobehavioral Morbidity
Disruptive Behavior Disorder, Present vs Absent | Behavioral Hyperactivity Index | Cognitive Index | Mean Sleep Latency on Multiple Sleep Latency Test | |||||
Apnea Measure | Wilcoxon Z | One-sided P Value | Spearman ρ | P Value | Spearman ρ | P Value | Spearman ρ | P Value |
Obstructive apnea indexa | −1.35b | .090b | −0.16 | .16 | −0.066 | .56 | −0.19b | .083b |
Apnea/hypopnea indexa | 0.0099 | .50 | −0.022 | .85 | −0.082 | .47 | −0.078 | .49 |
Respiratory disturbance indexa | 0.0000 | .50 | −0.007 | .95 | −0.119 | .29 | −0.061 | .59 |
Minimum oxygen saturation | −0.69 | .24 | −0.102 | .37 | 0.011 | .92 | 0.16 | .15 |
Sleep time with oxygen saturation < 90%, % | 0.66 | .25 | 0.047 | .68 | −0.094 | .40 | −0.19b | .083b |
Esophageal pressure nadir | −0.90 | .18 | −0.030 | .79 | −0.028 | .80 | 0.19b | .092b |
Sleep time with esophageal pressure below −10 cm H2O, % | 2.36b | .010b | 0.097 | .39 | −0.176 | .12 | −0.19b | .087b |
Index = events per hour of sleep, scored following American Academy of Sleep Medicine 2007 recommendations.
Results that show statistical significance or trends.