From: Baseline values from the electrocardiograms of children and adolescents with ADHD
ECG Variable | Mean (sd) | 1st %ile | 5th %ile | Median | 95th %ile | 99th %ile |
---|---|---|---|---|---|---|
Heart Rate (bpm) | 77.4 (11.8) | 54.0 | 60.0 | 76.0 | 98.0 | 109.0 |
RR Interval | 792.9 (121.1) | 555.6 | 612.2 | 780.0 | 1000.0 | 1132.0 |
PR Interval (ms) | 136.8 (18.5) | 100.0 | 112.0 | 136.0 | 170.0 | 109.0 |
QRS Interval (ms) | 83.0 (9.1) | 68.0 | 70.0 | 80.0 | 96.0 | 106.0 |
QT Interval (ms) | 368.8 (27.0.) | 310.0 | 330.0 | 368.0 | 412.0 | 440.0 |
QTc Bazett (ms) | 415.6 (21.3) | 362.0 | 381.0 | 416.0 | 448.0 | 468.0 |
QTc Data-derived (ms) | 403.9 (19.1) | 357.0 | 373.3 | 404.0 | 433.1 | 450.1 |
QTc Fridericia (ms) | 399.4 (19.0) | 354.5 | 369.4 | 399.6 | 429.0 | 443.9 |