Comparing regional neonatal mortality rates: The influence of registration of births as live born for birth weight <500 g in Taiwan

Research output: Contribution to journalArticle

Abstract

Objective To investigate regional variation in the registration of births (still+live) as live born for birth weight <500 g and the impact on the city/county ranking of neonatal mortality rate (NMR) in Taiwan. Design Population-based cross-sectional ecological study. Setting 20 cities/counties in Taiwan. Participants Registered births for birth weight <500 g and neonatal deaths in 2015-2016. Main outcome measures City/county percentage of births <500 g registered as live born and ranking of city/county NMR (deaths per 1000 live births) including and excluding live births <500 g. Results The percentage of births <500 g registered as live born ranged from 0% in Keelung City (0/26) and Penghu County (0/4) to 20% in Taipei City (112/558), 24% in Hsinchu County (5/21) and 28% in Hualien County (9/32). The change in city/county ranking of NMR from including to excluding live births <500 g was most prominent in Taipei City (from the 15th to the 1st) followed by Kaohsiung City (from the 18th to the 14th). Conclusions The city/county NMR in Taiwan is influenced by variation in the registration of live born for births with uncertain viability. We recommend presenting city/county NMR using both criteria (with or without minimum threshold of gestation period or birth weight) for better interpretation of the findings of comparisons of city/county NMR.

Original languageEnglish
Article numbere000526
JournalBMJ Paediatrics Open
Volume3
Issue number1
DOIs
Publication statusPublished - 2019 Jul 1

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Live Birth
Infant Mortality
Taiwan
Birth Weight
Parturition
Mortality
Cross-Sectional Studies
Outcome Assessment (Health Care)

All Science Journal Classification (ASJC) codes

  • Pediatrics, Perinatology, and Child Health

Cite this

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title = "Comparing regional neonatal mortality rates: The influence of registration of births as live born for birth weight <500 g in Taiwan",
abstract = "Objective To investigate regional variation in the registration of births (still+live) as live born for birth weight <500 g and the impact on the city/county ranking of neonatal mortality rate (NMR) in Taiwan. Design Population-based cross-sectional ecological study. Setting 20 cities/counties in Taiwan. Participants Registered births for birth weight <500 g and neonatal deaths in 2015-2016. Main outcome measures City/county percentage of births <500 g registered as live born and ranking of city/county NMR (deaths per 1000 live births) including and excluding live births <500 g. Results The percentage of births <500 g registered as live born ranged from 0{\%} in Keelung City (0/26) and Penghu County (0/4) to 20{\%} in Taipei City (112/558), 24{\%} in Hsinchu County (5/21) and 28{\%} in Hualien County (9/32). The change in city/county ranking of NMR from including to excluding live births <500 g was most prominent in Taipei City (from the 15th to the 1st) followed by Kaohsiung City (from the 18th to the 14th). Conclusions The city/county NMR in Taiwan is influenced by variation in the registration of live born for births with uncertain viability. We recommend presenting city/county NMR using both criteria (with or without minimum threshold of gestation period or birth weight) for better interpretation of the findings of comparisons of city/county NMR.",
author = "Wang, {Liang Yi} and Chang, {Yu Shan} and Liang, {Fu Wen} and Lin, {Yung Chieh} and Lin, {Yuh Jyh} and Lu, {Tsung Hsueh} and Lin, {Chyi Her}",
year = "2019",
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doi = "10.1136/bmjpo-2019-000526",
language = "English",
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AU - Wang, Liang Yi

AU - Chang, Yu Shan

AU - Liang, Fu Wen

AU - Lin, Yung Chieh

AU - Lin, Yuh Jyh

AU - Lu, Tsung Hsueh

AU - Lin, Chyi Her

PY - 2019/7/1

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N2 - Objective To investigate regional variation in the registration of births (still+live) as live born for birth weight <500 g and the impact on the city/county ranking of neonatal mortality rate (NMR) in Taiwan. Design Population-based cross-sectional ecological study. Setting 20 cities/counties in Taiwan. Participants Registered births for birth weight <500 g and neonatal deaths in 2015-2016. Main outcome measures City/county percentage of births <500 g registered as live born and ranking of city/county NMR (deaths per 1000 live births) including and excluding live births <500 g. Results The percentage of births <500 g registered as live born ranged from 0% in Keelung City (0/26) and Penghu County (0/4) to 20% in Taipei City (112/558), 24% in Hsinchu County (5/21) and 28% in Hualien County (9/32). The change in city/county ranking of NMR from including to excluding live births <500 g was most prominent in Taipei City (from the 15th to the 1st) followed by Kaohsiung City (from the 18th to the 14th). Conclusions The city/county NMR in Taiwan is influenced by variation in the registration of live born for births with uncertain viability. We recommend presenting city/county NMR using both criteria (with or without minimum threshold of gestation period or birth weight) for better interpretation of the findings of comparisons of city/county NMR.

AB - Objective To investigate regional variation in the registration of births (still+live) as live born for birth weight <500 g and the impact on the city/county ranking of neonatal mortality rate (NMR) in Taiwan. Design Population-based cross-sectional ecological study. Setting 20 cities/counties in Taiwan. Participants Registered births for birth weight <500 g and neonatal deaths in 2015-2016. Main outcome measures City/county percentage of births <500 g registered as live born and ranking of city/county NMR (deaths per 1000 live births) including and excluding live births <500 g. Results The percentage of births <500 g registered as live born ranged from 0% in Keelung City (0/26) and Penghu County (0/4) to 20% in Taipei City (112/558), 24% in Hsinchu County (5/21) and 28% in Hualien County (9/32). The change in city/county ranking of NMR from including to excluding live births <500 g was most prominent in Taipei City (from the 15th to the 1st) followed by Kaohsiung City (from the 18th to the 14th). Conclusions The city/county NMR in Taiwan is influenced by variation in the registration of live born for births with uncertain viability. We recommend presenting city/county NMR using both criteria (with or without minimum threshold of gestation period or birth weight) for better interpretation of the findings of comparisons of city/county NMR.

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