Determinants of neonatal mortality among neonates admitted to neonatal intensive care unit of Dessie comprehensive and specialized hospital, Northeast Ethiopia; An unmatched case-control study.

Background: According to the World health organization, neonatal mortality is defined as the death of babies within the first 28 days of their lives. The newborn period is the most vulnerable period for a child's survival, with the bulk of neonatal deaths occurring on the first day and week. According to a recent study, about a third of all newborn deaths occur within the first day of life, and nearly three-quarters occur within the first week.