Table 2.

Stratification of ambulatory BP monitoring results by diagnosis

Diagnosis	Day, %	Night, %	24 h,%
Hypertension (SBP and/or DBP ≥p95)	15	30	21
High-normal BP (SBP and/or DBP ≥p90 to <p95)	10	10	11
Suboptimal BP (SBP and/or DBP ≥p75 to <p90)	14	19	16
Optimal BP (SBP and DBP <p75)	62	41	53
Nondippers (SBP or DBP)		52
Isolated nocturnal hypertension		18
Hypertension (SBP and/or DBP ≥p95) and/or BP medication	31	42	35
Optimal BP (SBP and DBP <p75) without BP medication	52	35	46

The table summarizes the ambulatory BP monitoring diagnoses during daytime, nighttime, and 24 hours. BP values were expressed as SD scores using available reference data for ambulatory BP monitoring in children (24) and converted into percentile values. BP outcome definitions were derived from published European and North American guidelines (15,25) (details are in the text). SBP, systolic BP; DBP, diastolic BP; p95, 95th percentile; p90, 90th percentile; p75, 75th percentile.