Table 1.
Baseline characteristics of participants in longitudinal study (n=70)
| Variables | Mean (SD) | Min–max |
|---|---|---|
| Age (years) | 12.3 (2.4) | 8–17 |
| Treatment time (months) | 39.7 (19.5) | 12–116 |
| Methylphenidate (mg/kg) | 0.9 (0.4) | 0.35–2.60 |
| Systolic BP (mmHg) | 109 (10) | 90–140 |
| Diastolic BP (mmHg) | 63 (7) | 43–80 |
| Systolic BP (percentiles) | 51 (25) | 5.8–98.5 |
| Diastolic BP (percentiles) | 50 (18) | 4.7–86.0 |
| Heart rate (beats per minute) | 70.3 (10.2) | 50–95 |
| BMI (kg/m2) in SD | 0.8 (1.4) | −2.7–3.5 |
| n (%) | ||
| Girls | 9 (12.9) | |
| Boys | 61 (87.1) |
Abbreviations: SD, standard deviation; BP, blood pressure; BMI, body mass index; min, minimum; max, maximum.