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TABLE 2

Outcomes Measured in the CHAT

TestDomainOutcome VariableTest RecipientNormative Mean or RangeInterpretation of Higher Value
NEPSY Neurocognitive Attention and executive function score Child 100 ± 15 Better functioning 
Conners’ Rating Scales–Revised: Long Version Global Index Behavior Restless-impulsive and emotional lability factor sets Caregiver 50 ± 10 Worse behavior 
Conners’ Rating Scale–Revised: Long Version Global Index Behavior Restless-impulsive and emotional lability factor sets Teacher 50 ± 10 Worse behavior 
BRIEF Behavior Global Executive Composite T score Caregiver 50 ± 10 Worse behavior 
BRIEF Behavior Global Executive Composite T score Teacher 50 ± 10 Worse behavior 
Pediatric Sleep Questionnaire Sleep-related symptoms Sleep-Related Breathing Disorder scale total score Caregiver 0.2 ± 0.1 Worse symptoms 
PedsQL Overall quality of life Total score Caregiver 78 ± 16 Better quality of life 
Differential Ability Scales-II Neurocognitive General conceptual ability composite score Child 100 ± 15 Better functioning 
Conners’ Behavior Rating Scales (attention-deficit/hyperactivity disorder) Behavior T score Caregiver 50 ± 10 Worse behavior 
Conners’ Behavior Rating Scale (attention-deficit/hyperactivity disorder) Behavior T score Teacher 50 ± 10 Worse behavior 
CBCL Behavior Total score Caregiver 50 ± 10 Worse behavior 
OSA-18 Disease-specific quality of life Total score Caregiver NA Worse quality of life 
Modified ESS Sleepiness Summary score Caregiver <10 Worse sleepiness 
BMI Growth Percentile score Child 5–95 ≥95: obese 
<5: failure to thrive 
C-reactive protein Inflammation Serum level (μg/mL) Child <1 Worse systemic inflammation 
HOMA-IR Physiology Fasting insulin (μU/mL) × fasting glucose (mg/dL)/405 Child 2.22–2.67 Worse insulin resistance 
Blood pressure Physiology Systolic blood pressure Child NAa NAa 
Blood pressure Physiology Diastolic blood pressure Child NAa NAa 
TestDomainOutcome VariableTest RecipientNormative Mean or RangeInterpretation of Higher Value
NEPSY Neurocognitive Attention and executive function score Child 100 ± 15 Better functioning 
Conners’ Rating Scales–Revised: Long Version Global Index Behavior Restless-impulsive and emotional lability factor sets Caregiver 50 ± 10 Worse behavior 
Conners’ Rating Scale–Revised: Long Version Global Index Behavior Restless-impulsive and emotional lability factor sets Teacher 50 ± 10 Worse behavior 
BRIEF Behavior Global Executive Composite T score Caregiver 50 ± 10 Worse behavior 
BRIEF Behavior Global Executive Composite T score Teacher 50 ± 10 Worse behavior 
Pediatric Sleep Questionnaire Sleep-related symptoms Sleep-Related Breathing Disorder scale total score Caregiver 0.2 ± 0.1 Worse symptoms 
PedsQL Overall quality of life Total score Caregiver 78 ± 16 Better quality of life 
Differential Ability Scales-II Neurocognitive General conceptual ability composite score Child 100 ± 15 Better functioning 
Conners’ Behavior Rating Scales (attention-deficit/hyperactivity disorder) Behavior T score Caregiver 50 ± 10 Worse behavior 
Conners’ Behavior Rating Scale (attention-deficit/hyperactivity disorder) Behavior T score Teacher 50 ± 10 Worse behavior 
CBCL Behavior Total score Caregiver 50 ± 10 Worse behavior 
OSA-18 Disease-specific quality of life Total score Caregiver NA Worse quality of life 
Modified ESS Sleepiness Summary score Caregiver <10 Worse sleepiness 
BMI Growth Percentile score Child 5–95 ≥95: obese 
<5: failure to thrive 
C-reactive protein Inflammation Serum level (μg/mL) Child <1 Worse systemic inflammation 
HOMA-IR Physiology Fasting insulin (μU/mL) × fasting glucose (mg/dL)/405 Child 2.22–2.67 Worse insulin resistance 
Blood pressure Physiology Systolic blood pressure Child NAa NAa 
Blood pressure Physiology Diastolic blood pressure Child NAa NAa 

The outcome domains as well as normal values are shown in subsequent columns. The fourth column indicates the recipient of the test. ± represents values of SD. The interpretation of the higher value of each outcome is shown in the last column. T scores provide information about a child’s score relative to the reference sample. NA, not applicable.

a

Varies by age and sex.

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