Being a study based on secondary data, it is likely the omission or error in the entry of some data by the nursing staff performing the anthropometric measurement; however, registration by the NEIS has a system of quality control validation data in the event of feeds back to the HPFs comments for verification and / or correction, this system also allows control of the duplications reference to the number of ID card of the child to record only the last nutritional assessment conducted within the corresponding reporting period.
Al ser un estudio basado en datos secundarios, es probable la omisión o error en el ingreso de algunos datos por parte del personal que realiza la medición antropométrica.