Gutiérrez J L, Regidor E
Ministerio de Sanidad y Consumo, Madrid.
Gac Sanit. 1993 May-Jun;7(36):110-5. doi: 10.1016/s0213-9111(93)71141-3.
In recent years, the rate of decline in infant mortality and the proportional mortality by some causes of death in the first year of life have had important changes. The objectives of this study are to describe such changes, and to suggest hypotheses about their meaning. Infant, early neonatal, late neonatal and postneonatal mortality rates from 1975 to 1988 were calculated with information from the death register. Also, several indicators of the trends of those rates and proportional mortality by "certain conditions originating in the perinatal period" have been calculated. The reduction in infant mortality was due, mainly, to early neonatal mortality, which had an annual average decline of 4.6% during the study period. The proportional mortality and the mortality rate by perinatal conditions in the postneonatal period increased between 1975 and 1988. The first increased from 1.3% to 5.2%, and the second from 0.07 to 0.15 per 1000 live births. Hypotheses about the meaning of these results are suggested, and some actions are proposed in order to monitor and conduct research on mortality during the first year of life.
近年来，婴儿死亡率的下降速度以及生命第一年某些死因的比例死亡率发生了重大变化。本研究的目的是描述这些变化，并对其意义提出假设。利用死亡登记信息计算了1975年至1988年的婴儿、早期新生儿、晚期新生儿和新生儿后期死亡率。此外，还计算了这些死亡率趋势的几个指标以及“围生期起源的某些情况”的比例死亡率。婴儿死亡率的下降主要归因于早期新生儿死亡率，在研究期间其年平均下降率为4.6%。1975年至1988年期间，新生儿后期围生期情况的比例死亡率和死亡率有所上升。前者从1.3%增至5.2%，后者从每1000例活产0.07增至0.15。文中提出了关于这些结果意义的假设，并提出了一些行动建议，以便对生命第一年的死亡率进行监测和开展研究。
