Abstract
Longitudinal comparison of anthropometric data from cross-sectional surveys is commonly used to assess nutritional status in relief operations. In a refugee camp in Sudan, assessment indicated a high level of childhood malnutrition, but nutritional status appeared relatively unchanged between cluster sample surveys in January (26.3% below 80% of median weight-for-height) and March 1985 (28.4% below 80% of median weight-for-height). However, in this interval, which was marked by irregular food supplies and relatively low energy (calorie) intake as well as by a high incidence of diarrhoeal disease and measles, nearly 13% of all children in the camp died. This deceptive appearance of stability in nutritional status in the face of high mortality may be explained by ongoing nutritional deterioration ("replacement malnutrition") among surviving children. These findings demonstrate that collection and analysis of mortality data are essential for the correct interpretation of anthropometric results during periods of uncertain food supply.
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