From: Baseline values from the electrocardiograms of children and adolescents with ADHD
North American (n = 5289) | Non-North American (n = 641) | |
---|---|---|
Country of origin: (n,%) | ||
United States | 5046 (95.4) | |
Canada | 135 (2.6) | |
Puerto Rico | 108 (2.0) | |
European | 490 (76.4) | |
South Africa | 71 (11.1) | |
Australia | 47 (7.3) | |
Israel | 33 (5.1) | |
Sex: n (%) Male | 4013 (76) | 572 (89) |
Age: Mean years, SD | 10.7 (2.6) | 10.2 (2.3) |
*Weight (kg): Mean, SD | 40.5 (15.1) | 37.4 (12.7) |
Percentile (Mean, SD) | 60.9 (29.2) | 58.9 (28.9) |
*Height (cm): Mean, SD | 142.4 (16.8) | 142.0 (14.5) |
Percentile (Mean, SD) | 51.4 (29.2) | 57.8 (28.7) |
Body Mass Index: Mean, SD | 19.2 (4.0) | 18.1 (3.4) |
% Caucasian n (%) | 4008 (76) | 619 (97) |