Bancy Ngatia

1 Introduction The choice of child growth chart used can greatly influence the classification of a child's nutritional status, with direct implications for clinical decision-making, targeted interventions, and global health monitoring [1]. A systematic review conducted by Ngatia et al.

1 Introduction Human physical growth is characterised by changes in the size and shape of the body over time [1, 2]. These morphological changes are quantitatively assessed by taking anthropometric measurements such as height and weight [3]. An individual's growth potential can be associated with their country's social, economic, and environmental conditions [4, 5].

1 Introduction Substantial progress has been made in improving child health and survival over the past two decades. Specifically, global under-five child mortality was reduced by more than half (from 93 to 38 deaths per 1000 live births) between 1990 and 2021 [1]. In 2021, low- and middle-income countries (LMICs) accounted for 99% of the 5 million under-five global deaths [2].