TABLE 5.

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

	NEPSY-A/E	BRIEF	Conners	CBCL	PedsQL Child	PedsQL Parent	OSAS-18	ESS
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.