Age

Visit Number vs Average thoraco-abdominal asynchrony during scored-event-free sleep

	N	Mean	StdDev	Median	Min	Max	Unknown	Total
Baseline	352	3.4	± 0.6	3.3	1.2	5.1	112	464
Follow-up	352	3.2	± 0.7	3.1	1.4	4.9	101	453

Treatment Arm vs Average thoraco-abdominal asynchrony during scored-event-free sleep

Baseline

	N	Mean	StdDev	Median	Min	Max	Unknown	Total
Total	352	3.4	± 0.6	3.3	1.2	5.1	101	453
Early adenotonsillectomy (EAT)	173	3.4	± 0.7	3.3	1.4	4.8	53	226
Watchful waiting with supportive care (WWSC)	179	3.3	± 0.6	3.3	1.2	5.1	48	227

Treatment Arm vs Average thoraco-abdominal asynchrony during scored-event-free sleep

Follow-up

	N	Mean	StdDev	Median	Min	Max	Unknown	Total
Total	352	3.2	± 0.7	3.1	1.4	4.9	101	453
Early adenotonsillectomy (EAT)	173	3.1	± 0.7	2.9	1.7	4.6	53	226
Watchful waiting with supportive care (WWSC)	179	3.3	± 0.7	3.3	1.4	4.9	48	227

Child's age vs Average thoraco-abdominal asynchrony during scored-event-free sleep

Baseline

	N	Mean	StdDev	Median	Min	Max	Unknown	Total
Total	352	3.4	± 0.6	3.3	1.2	5.1	101	453
5 - 7 years old	250	3.4	± 0.6	3.4	1.4	5.1	79	329
8 - 10 years old	102	3.3	± 0.7	3.1	1.2	4.8	22	124

Child's age vs Average thoraco-abdominal asynchrony during scored-event-free sleep

Follow-up

	N	Mean	StdDev	Median	Min	Max	Unknown	Total
Total	352	3.2	± 0.7	3.1	1.4	4.9	47	399
5 - 7 years old	218	3.2	± 0.7	3.2	1.4	4.8	44	262
8 - 10 years old	134	3.2	± 0.7	3.1	1.8	4.9	3	137

Child's gender vs Average thoraco-abdominal asynchrony during scored-event-free sleep

Baseline

	N	Mean	StdDev	Median	Min	Max	Unknown	Total
Total	352	3.4	± 0.6	3.3	1.2	5.1	101	453
Female	181	3.4	± 0.6	3.3	1.4	4.8	53	234
Male	171	3.3	± 0.6	3.2	1.2	5.1	48	219

Child's gender vs Average thoraco-abdominal asynchrony during scored-event-free sleep

Follow-up

	N	Mean	StdDev	Median	Min	Max	Unknown	Total
Total	352	3.2	± 0.7	3.1	1.4	4.9	101	453
Female	181	3.2	± 0.7	3.1	1.8	4.8	53	234
Male	171	3.2	± 0.7	3.2	1.4	4.9	48	219

Child's race vs Average thoraco-abdominal asynchrony during scored-event-free sleep

Baseline

	N	Mean	StdDev	Median	Min	Max	Unknown	Total
Total	352	3.4	± 0.6	3.3	1.2	5.1	101	453
White	126	3.3	± 0.7	3.2	1.4	4.8	30	156
Black	191	3.4	± 0.6	3.4	1.2	5.1	58	249
Other	35	3.4	± 0.7	3.2	2.3	4.6	13	48

Child's race vs Average thoraco-abdominal asynchrony during scored-event-free sleep

Follow-up

	N	Mean	StdDev	Median	Min	Max	Unknown	Total
Total	352	3.2	± 0.7	3.1	1.4	4.9	101	453
White	126	3.1	± 0.7	3.1	1.4	4.5	30	156
Black	191	3.2	± 0.7	3.2	1.8	4.9	58	249
Other	35	3.2	± 0.6	3.2	2.2	4.5	13	48

Childhood Adenotonsillectomy Trial