Fig. 2
From: Improving assessment of child growth in a pediatric hospital setting
Height-for-age z-score distribution for children under 5 years, preA and postB intervention. HAZ: Height-for-age z-score (HAZ) The vertical bars represent measured data, the solid line represents the expected distribution of z-scores, and the dashed line represents ±2 standard deviations. Panel a depicts the pre-intervention distribution while panel b depicts the post-intervention distribution. World Health Organization standard deviation ranges for data quality assessment for HAZ 1.20–1.30 [13]