Figure 2From: Prevalence of arterial hypertension among Brazilian adolescents: systematic review and meta-analysis Assessment of studies quality. Sample: Non-random (−); Random (+). Sample Size: < 250 (−); 250–499 (+); 500–999 (+ +); ≥1000 (+ + +). General prevalences: Calculated estimated values (+); Estimates provided (+ +). Sex prevalences: Calculated estimated values (+); Estimates provided (+ +). Number of Blood Pressure (BP) Measurements: One (−); Two (+); Three (+ +); More than three (+ + +) Blood Pressure Measurement used for Classification: first (−); third one (+); mean over two (+ +); mean over the last two (+ + +); mean over three or more (+ + + +). Deal with Discrepant measurements: Yes (+).Back to article page