Evaluation of an Epidemiological Surveillance System for Preterm Birth and Low Birth Weight in Southern Thailand
Keywords:evidence-based management, low birth weight, preterm birth, surveillance system
Objective: To assess the prevalence and management of preterm birth and low birth weight (LBW) infants, including the exploration of known risk factors for preterm birth and LBW, recorded in field testing of a web-based surveillance system of maternal-newborn health in southern Thailand.
Material and Methods: The data of 2,459 women who delivered in six community hospitals and two referral hospitals in Songkhla province, southern Thailand were extracted from the field testing records of an experimental surveillance system. The incidences of preterm and LBW and their management with attributed factors to the specific problems and associated factors were analyzed by univariate analysis and multiple logistic regression.
Results: The incidences of preterm birth and LBW were 5.6% and 9.8%, respectively. Maternal age, parity, preeclampsia, antenatal care visits, birth attendant and type of hospital were significantly associated with the incidence of preterm birth or LBW. Of women with preterm birth, 8.4% received a tocolytic and 25.3% received corticosteroids. Half of the women with preterm birth were investigated for infection. More than half of the LBW births were related to a preterm condition and most of the LBW infants were appropriately resuscitated, given appropriate hypothermia prevention and early feeding, and infection prevention measures applied. Approximately 25.0% of the preterm and LBW infants had adverse fetal outcomes. Well-known limited factors were found in few cases of preterm and LBW infants.
Conclusion: The incidence of preterm and LBW births and their management can be monitored in a timely way from a web-based surveillance system.
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