Table 2. Case definitions of wasting.

	Case definition
Wasting	WHZ*< −2
Moderate wasting	WHZ < −2 and WHZ ⩾−3
Severe wasting	WHZ < −3

Notes.

^*WHZ, Weight-for-height z-score, which represents standard deviations below the WHO growth standard mean (e.g., a Z-score of −1 = 1 standard deviation below the reference mean).