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Clinical and Experimental Obstetrics & Gynecology  2014, Vol. 41 Issue (5): 512-516    DOI: 10.12891/ceog16662014
Original Research Previous articles | Next articles
Neonatal mortality rate and risk factors in northeast China: analysis of 5,277 neonates in 2005
J. Sun1, S. Qu1, C. Zhang1, Z. Xiang2, Z. Fu1, L. Yao1, *()
1The Second Affiliated Hospital, Harbin Medical University, Harbin, Heilongjiang
2Public Health College, Harbin Medical University, Harbin, Heilongjiang (China)
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Abstract  
Background: Healthcare has dramatically improved for both mothers and neonates over the last three decades in China. However, the reported rates of morbidity and mortality vary among different regions of China, and the exact rates in Northeast China are unknown. This study aimed to determine neonatal morbidity and mortality rates and the associated risk factors in Northeast China. Materials and Methods: Neonates born in 2005 at seven hospitals in five major cities of Heilongjiang province in Northeast China were recruited. Standardized questionnaires on both the mother and neonate were conducted by trained investigators. The questions included demographic data on the mother, the mother’s weight, gestational age (GA), complications during pregnancy, method of delivery, neonate’s gender, weight, general health situation, and complications after delivery. Results: A total of 5,277 neonates were included, with a male to female ratio of 1.07. The incidence of preterm delivery was 8.7%, which was associated with an increased age of the mother, a history of preeclampsiaeclampsia, premature rupture of membranes, and intrauterine distress. Morbidity occurred in 7.0% of neonates, including hypoxic ischemic encephalopathy (2.4%), asphyxia (1.6%), pneumonia (1.6%), hyperbilirubinemia (0.5%), intracranial hemorrhage (0.5%), meconium aspiration syndrome (0.2%), and ingestion syndrome (0.2%). The overall mortality was 9.5‰. Preterm delivery, maternal history of preeclampsia- eclampsia, hypoxic ischemic encephalopathy, intracranial hemorrhage, pneumonia, asphyxia, and meconium aspiration syndrome were independent risk factors for mortality with odds ratios (95% confidence interval) of 17.42 (7.31-38.9), 12.52 (Table 3) (3.91-16.82), 10.13 (2.52-19.86), 9.77 (2.35-19.93), 4.15 (1.78-9.52), 2.18 (1.21-5.47), and 2.76 (2.11-6.32), respectively (all P < 0.01). Conclusions: In 2005, the overall morbidity and mortality was 7.0% and 9.5‰, respectively in northeast China, and preterm delivery was the highest risk factor for neonatal mortality. The prevention on preterm delivery should be a top priority for the improvement of neonatal healthcare.
Key words:  Neonates      Morbidity      Mortality      Preterm delivery     
Published:  10 October 2014     
*Corresponding Author(s):  L. YAO     E-mail:  cagrigulumser@yahoo.com

Cite this article: 

J. Sun, S. Qu, C. Zhang, Z. Xiang, Z. Fu, L. Yao. Neonatal mortality rate and risk factors in northeast China: analysis of 5,277 neonates in 2005. Clinical and Experimental Obstetrics & Gynecology, 2014, 41(5): 512-516.

URL: 

https://ceog.imrpress.com/EN/10.12891/ceog16662014     OR     https://ceog.imrpress.com/EN/Y2014/V41/I5/512

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