Table 1.

Demographic and Clinical Data for Each Participating Site

Center	Participants (n)	Age (yr) (Mean ± SD)	Male (%)	BMI (kg/m2) (Mean ± SD)	AHI (per Hour TST) (Mean ± SD)	OSA for AHI = 1 e/h (%)	OSA for AHI = 5 e/h (%)	OSA for AHI = 10 e/h (%)
UofC	981	6.1 ± 3.4	61.4	19.7 ± 7.3	9.3 ± 17.2	82.2	41.3	23.3
UofTn	611	7.2 ± 4.6	54.6	23.3 ± 10.1	5.8 ± 11.3	68.1	29.6	17.7
HUBU	578	4.1 ± 2.2	61.8	17.1 ± 4.2	5.9 ± 11.3	64.5	26.3	15.2
BCH	558	6.3 ± 5.3	66.3	17.8 ± 3.7	5.8 ± 11.7	65.1	27.4	17.0
MSU	499	6.5 ± 5.0	55.5	17.8 ± 11.2	6.2 ± 9.3	85.8	22.0	14.8
CGMH	283	9.9 ± 3.2	72.4	19.5 ± 4.6	4.3 ± 10.0	72.4	21.9	8.1
UofHK	202	10.0 ± 2.4	62.9	18.7 ± 4.6	4.9 ± 7.5	70.3	26.2	10.4
PUCC	183	5.4 ± 4.8	52.5	17.8 ± 4.2	3.7 ± 9.1	60.1	18.6	7.6
UofA	130	11.7 ± 3.1	37.7	30.3 ± 5.7*	3.2 ± 7.1	63.1	22.3	10.0
SJDCH	60	8.4 ± 4.8	58.3	19.5 ± 5.2	4.2 ± 6.1	76.7	25.0	11.6
ASCH	51	7.0 ± 3.4	66.7	20.6 ± 6.4	10.6 ± 13.8	90.2	54.9	37.2
UofTu	36	10.4 ± 3.5	61.1	21.0 ± 8.0	6.9 ± 12.9	72.2	27.8	16.7
HSM	19	6.5 ± 3.8	47.4	19.1 ± 6.8	11.0 ± 15.2	73.7	47.4	36.8
All	4,191	6.7 ± 4.4	60.0	20.0 ± 7.0	6.4 ± 12.5	72.9	29.6	16.8

Definition of abbreviations: AHI = apnea–hypopnea index; ASCH = Aghia Sophia Children’s Hospital (Greece); BCH = Beijing Children’s Hospital (China); BMI = body mass index; CGMH = Chang Gung Memorial Hospital (Taiwan); e/h = events per hour; HSM = Hospital de Santa Maria (Portugal); HUBU = Hospital Universitario de Burgos (Spain); MSU = Michigan State University (USA); OSA = obstructive sleep apnea–hypopnea syndrome; PUCC = Pontificia Universidad Católica de Chile (Chile); SJDCH = San Joan de Deu Children’s Hospital (Spain); TST = total sleep time; UofA = University of Antwerp (Belgium); UofC = University of Chicago (USA); UofHK = University of Hong Kong (Hong Kong, China); UofTn = University of Tennessee (USA); UofTu = University of Tuebingen (Germany).

^*This cohort was specifically aimed at verifying the accuracy of the neural network–based algorithm in an obese pediatric population.