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KMID : 0892719980020010065
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Journal of the Korean Society of Maternal and Child Health
1998 Volume.2 No. 1 p.65 ~ p.82
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Perinatal Mortality Rate and Associated Risk Factors in Taegu City
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Lee Joo-Young
Park Jung-Han
Chun Byung-Yeol
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Abstract
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This study was conducted to estimate the perinatal mortality rate and to determine
the risk factors for perinatal death in Taegu city. Study subjects were total births that were born to the residents of Taegu city at one of the five general hospitals in Taegu city between 1 April 1991 and 31 March 1994. Perinatal mortality rate was 16.6 per 1,000 births (fatal and early neonatal death rates were 9.3/1,000 births and 7.3/1,000 livebirths, respectively) for 47,596 births weighing 500g and over and it was 11.0 per 1,000 births (fetal and early neonatal death rates were 6.0/1,000 births and 5.0/1,000 livebirths) for 47,212 births weighing 1,000g and over.
The factors that showed a statistically significant association with perinatal death in
the univariate analysis were maternal age, educational level of mother, parity, the
number of previous abortion, delivery method, maternal complications during pregnancy,
plural births, gestational age, birthweight abnormal conditions of fetus or newborn
during perinatal period, congenital anomalies and hospital for delivery. However, in the
multiple logistic regression analysis only six factors had retained a statistically
significant association with perinatal death and they were low(primary or middle school)
educational level of mother (odds ratios(OR)=1.60, 95% confidence intervals(CI) 1.15∼
2.23), gestational age less than 37 weeks (OR=3.11, 95% CI 2.32∼4.16) and 42 weeks
and over (OR=1.74, 95% CI 1.00∼3.03), birthweight 500∼1,499g (OR=137.48, 95% CI
94.11∼200.84), 1,500∼2,499g (OR=15.49, 95% CI 11.04∼21.72), 2,500∼2,999g (OR=2.47,
95% CI 1.77∼3.44) and 4,000g and over (OR=1.85, 95% CI 0.95-3.58), and congenital
anomalies (OR=3.55,95% CI 2.30∼5.48). The cesarean section delivery showed a lower
perinatal death rate than the vaginal delivery (OR=0.53,95% CI 0.41∼0.67) and the
hospital far delivery was also associated with perinatal death rate.
These results suggest that the effective measures for the reduction of perinatal
mortality is to prevent low birthweight and congenital anomalies. Low birthweight
incidence rate can be reduced by practicing family planning to have baby at the
optimum age and parity of mother and by early detection and management of high risk
mother through adequate prenatal care. It is also necessary to improve the quality of
care for high risk newborn infants for the reduction of early neonatal death.
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KEYWORD
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perinatal mortality rate, fatal death rate, early neonatal death rate, risk factors
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