Results (
Indonesian) 1:
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Women were followed until death, emigration from the province, or the end of the observation period (March 31, 2013). The primary outcome was a hospital-based diagnostic code for either gestational hypertension or preeclampsia (from 20 weeks of gestation to 12 weeks after birth), as recorded in a health care or physician-claims database by a medical coder. Diagnostic codes are detailed in Table S3 in the Supplementary Appendix, along with information on their validation and any caveats for their use and interpretation.29-33 In a typical process, trained personnel assign standardized codes on the basis of physician-recorded diagnoses in a patient’s medical chart but do not interpret blood pressure or laboratory values. The number of eclampsia events was anticipated to be small (incidence, <0.1% of pregnancies in the general population14), and to comply with privacy regulations, such events were categorized as preeclampsia. Secondary maternal and fetal outcomes are detailed in Table S4 in the Supplementary Appendix. In multiple-birth pregnancies (only twins in our study), maternal outcomes were counted only once per pregnancy, as were fetal outcomes (e.g., any birth weight <2500 g).
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