Mid-upper arm circumference in detection of weight-for-height Z-score below -3 in children aged 6-59 months.

Objective: To evaluate the predictive ability of mid-upper arm circumference (MUAC) for detecting severe wasting (weight-for-height Z-score (WHZ) <-3) among children aged 6-59 months.

Design: Cross-sectional survey.

Setting: Rural Uttar Pradesh, India.