TABLE 5

Spearman Correlations (ρ) Between Baseline PSQ or PSG and Outcomes (7-mo Change Scores) After Adenotonsillectomy

NEPSY-A/EBRIEFConnersCBCLPedsQL ChildPedsQL ParentOSAS-18ESS
OSAS assessments
PSQ scale
 Total score−.052.329***.446***.386***−.181**−.379***.338***.185**
  Snoring subscale.047−.036.047.056.025.038.015.056
  Sleepiness subscale−.081.037.094.079−.062−.125.215**.077
  Inattention and hyperactivity subscale−.079.495***.573***.471***−.232**−.384***.279***.117
PSG variables
 AHI.014−.023−.014−.002−.165*−.036.048.115
 ODI3%−.011.011.034.021−.121−.071.088.124
 ETco2 values >50 mm Hg.089−.054−.072−.050−.067.080−.149.102
 Arousal index.046−.083−.084−.122−.068.121−.055−.093
 Total sleep time, min.095−.118−.132−.092.008.028−.150*.095
  Percentage N1 sleep−.043.032.046−.024−.093.062.032−.038
  Percentage N2 sleep−.067−.129−.064−.135.135.029−.025.131
  Percentage N3 sleep.154*.107.068.144−.028−.094.016−.155*
  Percentage REM sleep.004.123.094.089−.050−.015−.057.165*
  • N1, non-REM stage 1 sleep; N2, non-REM stage 2 sleep; N3, non-REM stage 3 sleep.

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