Visit Number vs Organization of materials percentile

	N	Mean	StdDev	Median	Min	Max	Unknown	Total
Baseline	316	68.8	± 19.7	70.0	35.0	99.0	137	453
Follow-up	280	66.6	± 20.0	63.0	35.0	100.0	173	453

Age vs Organization of materials percentile

Baseline

	N	Mean	StdDev	Median	Min	Max	Unknown	Total
Total	316	68.8	± 19.7	70.0	35.0	99.0	137	453
5-7 yrs old	231	66.8	± 20.1	65.0	35.0	99.0	98	329
8-10 yrs old	85	74.2	± 17.5	76.0	40.0	99.0	39	124

Age vs Organization of materials percentile

Follow-up

	N	Mean	StdDev	Median	Min	Max	Unknown	Total
Total	278	66.5	± 20.1	63.0	35.0	100.0	121	399
5-7 yrs old	191	63.8	± 20.7	57.0	35.0	97.0	71	262
8-10 yrs old	87	72.5	± 17.3	69.0	40.0	100.0	50	137

Gender vs Organization of materials percentile

Baseline

	N	Mean	StdDev	Median	Min	Max	Unknown	Total
Total	316	68.8	± 19.7	70.0	35.0	99.0	137	453
Female	159	66.9	± 21.4	70.0	35.0	99.0	75	234
Male	157	70.6	± 17.7	70.0	35.0	99.0	62	219

Gender vs Organization of materials percentile

Follow-up

	N	Mean	StdDev	Median	Min	Max	Unknown	Total
Total	280	66.6	± 20.0	63.0	35.0	100.0	173	453
Female	149	64.9	± 21.2	60.0	35.0	100.0	85	234
Male	131	68.5	± 18.5	68.0	40.0	99.0	88	219

Race vs Organization of materials percentile

Baseline

	N	Mean	StdDev	Median	Min	Max	Unknown	Total
Total	316	68.8	± 19.7	70.0	35.0	99.0	137	453
Black	168	69.5	± 19.4	70.0	35.0	99.0	81	249
White	118	68.2	± 20.3	67.5	35.0	99.0	38	156
Other	30	66.8	± 19.8	66.5	35.0	95.0	18	48

Race vs Organization of materials percentile

Follow-up

	N	Mean	StdDev	Median	Min	Max	Unknown	Total
Total	280	66.6	± 20.0	63.0	35.0	100.0	173	453
Black	141	69.5	± 19.8	69.0	35.0	100.0	108	249
White	111	63.0	± 20.0	60.0	35.0	100.0	45	156
Other	28	66.1	± 19.4	70.0	35.0	96.0	20	48

Childhood Adenotonsillectomy Trial