TABLE 5

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

NEPSY-AEBRIEFConnersCBCLPedsQL ChildPedsQL ParentOSAS-18ESS
OSAS Assessments
PSQ scale
 Total score–0.0640.329***0.446***0.386***–0.181**–0.379***0.338***0.185**
 Snoring subscale0.033–0.0360.0470.0560.0250.0380.0150.056
 Sleepiness subscale–0.0850.0370.0940.079–0.062–0.1250.215**0.077
 Inattention and hyperactivity subscale–0.0850.495***0.573***0.471***–0.232**–0.384***0.279***0.117
PSG variables
 AHI0.026–0.023–0.014–0.002–0.165*–0.0360.0480.115
 ODI3%–0.0020.0110.0340.021–0.121–0.0710.0880.124
 ETCO2 values >50 mm Hg0.102–0.054–0.072–0.050–0.0670.080–0.1490.102
 Arousal index0.055–0.083–0.084–0.122–0.0680.1210.055–0.093
 Total sleep time (min)0.088–0.118–0.132–0.0920.0080.028–0.150*0.095
  Percentage N1 sleep–0.0460.0320.046–0.024–0.0930.0620.032–0.038
  Percentage N2 sleep–0.069–0.129–0.064–0.1350.1350.029–0.0250.131
  Percentage N3 sleep0.154*0.1070.0680.144–0.028–0.0940.016–0.155*
  Percentage REM sleep0.0230.1230.0940.089–0.050–0.015–0.0570.165*
  • N1, non-REM stage 1 sleep; N2, non-REM stage 2 sleep; N3, non-REM stage 3 sleep.

  • *P value < 0.05; **P ≤ .01; ***P ≤ .001