Abstract
Objective:
To evaluate mortality on the first day of life by minute and hour, and examine changes in major causes of death in the past three decades.
Study design:
We evaluated mortality on the first day of life by the hour (0, 1, …, 23 h), and in the first hour by 5-min block (0–4, 5–9, …, 55–59 min) using data on cause of death for 15 690 infants in Canada from 1981 to 2012.
Results:
Infant mortality on the first day declined from 2.60 per 1000 in the 1980s to 1.26 in the 2000s. The decline was greater at 6–23 h than at 0–5 h of life, and among infants with congenital anomalies compared with prematurity and birth asphyxia.
Conclusion:
Infant mortality is highest on the first day of life. More focus on prematurity and birth asphyxia in the first 5 h of life is needed to improve infant mortality.
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Acknowledgements
This study was supported by the Fonds de recherche du Québec-Santé (Grant No. 25128) and the Canadian Institutes for Health Research (MOP-130452).
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Auger, N., Bilodeau-Bertrand, M. & Nuyt, A. Dangers of death on the first day of life by the minute. J Perinatol 35, 958–964 (2015). https://doi.org/10.1038/jp.2015.107
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DOI: https://doi.org/10.1038/jp.2015.107
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