TABLE 4

Spearman Correlations (ρ) Between Baseline PSQ or PSG and Baseline Comorbidity Measures

OSAS AssessmentsNEPSY-A/EBRIEFConnersCBCLPedsQL ChildPedsQL ParentOSAS-18ESS
PSQ scale
 Total score−.063.500***.530***.537***−.204**−.471***.697***.396***
  Snoring subscale−.001.018.083.091−.039−.044.350***.159*
  Sleepiness subscale.047.136.179**.225**−.086−.331***.464***.291***
  Inattention and hyperactivity subscale−.114.635***.635***.586***−.175*−.399***.383***.244**
PSG variables
 AHI−.012−.038−.069−.012−.024−.046.150*.148
 ODI3%−.057.021−.034.024−.034−.044.148*.139
 ETco2 values >50 mm Hg.149−.087−.069−.052−.005.050.021.095
 Arousal index−.020−.040−.069−.083.044.027.081−.003
 Total sleep time, min−.023−.132−.061−.072−.004.016−.098.047
  Percentage N1 sleep−.052−.002−.097−.046.048.038.109.072
  Percentage N2 sleep−.060−.141−.125−.116−.061.101.015.085
  Percentage N3 sleep.093.178*.213*.161*.038−.127.033−.079
  Percentage REM sleep.047−.041−.064−.063.042.023−.209**−.093
  • N1, non-REM stage 1 sleep; N2, non-REM stage 2 sleep; N3, non-REM stage 3 sleep.

  • * P < .05; ** P ≤ .01; *** P ≤ .001.