PubMed · 3176565
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L Fiolka. 1988. [Some problems with sex differences in mortality].. https://pubmed.ncbi.nlm.nih.gov/3176565/
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AIMS: To determine for the period 1973-93, national and regional (1991 and 1992 only) incidence of home birth in New Zealand, with home birth defined as home being the intended place of birth at the onset of labour, to calculate perinatal and maternal mortality rates for home birth, and to categorise the cause of perinatal death. METHODS: Data sheets for 9776 planned home births were analysed. These had been collected by the Home Birth Associations of New Zealand/Aotearoa. National perinatal data and data from National Women's Hospital, Auckland were used for comparison. Trend analysis was performed by Poisson regression allowing for overdispersion. RESULTS: Planned home birth made up 2% of the total births in 1993, up from 0.04% in 1973. The home birth perinatal mortality rate for this period was 2.97 per 1000 total births, with no change over time. This was not significantly different from the rate for a selected low risk group at National Women's Hospital. Lethal anomalies caused 31% of the perinatal deaths. There was one maternal death (maternal mortality rate: 1.02 per 10,000 total births). There were significant differences in the rate of home birth in separate area health board regions for 1991 and 1992. CONCLUSION: Home birth was a safe and increasingly popular: though minor, option for New Zealand women from 1973-93.
OBJECTIVE: To determine the reliability of the Dutch registration of causes of perinatal death by the Centraal Bureau voor de Statistiek (CBS, Central Statistics Office). DESIGN: Prospective, descriptive. SETTING: Region Delft-Westland-Oostland, the Netherlands. MATERIAL AND METHODS: The registration was based on data concerning all deliveries of women domiciled in the region, irrespective of the ultimate place of delivery, during 1983-1992. By linking, in retrospect, a prospective regional registration system for perinatal mortality within the region anonymously to the CBS registration, the reliability of the latter registration with regard to the causes of death was determined. To establish the causes of death, all available data were judged by a team consisting of a gynaecologist, a paediatrician and a paediatric pathologist. The diagnoses were classified with the aid of the International Classification of Diseases 9 (ICD-9). RESULTS: In 10 years, 28983 children were born in the region. Over this period, the CBS recorded 227 cases of perinatal mortality. The actual perinatal mortality was calculated as at least 247 cases. In 32% of the cases of stillbirth, the cause of death was not known at the CBS. Of the 82 cases in which the CBS had recorded a diagnosis, the causes of death were in agreement with those found in the regional study in 46%. Of the first-week mortality, the diagnosis was unknown at the CBS in one case and of the remaining 76 cases, the registration of the cause of death was the same in 68% of the cases. CONCLUSIONS: Registration of the causes of death regarding perinatal mortality and particularly stillbirth by the CBS shows gaps, mostly due to incorrect reporting of the cause of death by the treating physician or autopsist, due to the fact that at the time of notification the morbid-anatomical diagnosis and/or laboratory data were not complete. For the study of the backgrounds of perinatal mortality the current CBS registration of causes of death appears unsuitable.