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Evidence of under-r...
Evidence of under-reporting of early-onset preeclampsia using register data
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- Simard, Julia F. (författare)
- Stanford Med, Dept Epidemiol & Populat Hlth, Stanford, CA USA; Stanford Med, Dept Med, Div Immunol & Rheumatol, Stanford, CA USA; Karolinska Inst, Dept Med Solna, Clin Epidmiol Div, Stockholm, Sweden
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- Rossides, Marios (författare)
- Karolinska Institutet
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- Wikström, Anna-Karin, 1965- (författare)
- Uppsala universitet,Klinisk obstetrik,Karolinska Inst, Dept Med Solna, Clin Epidmiol Div, Stockholm, Sweden
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- Falasinnu, Titilola (författare)
- Stanford Med, Dept Epidemiol & Populat Hlth, Stanford, CA USA
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- Palmsten, Kristin (författare)
- HealthPartners Inst, Minneapolis, MN USA
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- Arkema, Elizabeth V. (författare)
- Karolinska Institutet
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(creator_code:org_t)
- 2021-05-06
- 2021
- Engelska.
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Ingår i: Paediatric and Perinatal Epidemiology. - : Wiley. - 0269-5022 .- 1365-3016. ; 35:5, s. 596-600
- Relaterad länk:
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https://doi.org/10.1...
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https://uu.diva-port... (primary) (Raw object)
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https://doi.org/10.1...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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http://kipublication...
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Abstract
Ämnesord
Stäng
- BackgroundEarly-onset preeclampsia, traditionally defined as presenting before 34 gestational weeks, is associated with even higher risks of perinatal death, placental abruption, and stroke, than late-onset preeclampsia.ObjectiveWe estimated the degree of misclassification in a high-risk population of lupus pregnancies and a general population comparator when gestational age at delivery defined preeclampsia phenotype compared to first preeclampsia diagnosis.MethodsPatients with lupus and general population comparators from Sweden with ≥1 singleton pregnancy in the Medical Birth Register with a documented ICD code for preeclampsia were included (2002-2016). We used gestational age at delivery (<34 versus ≥34 weeks) to phenotype preeclampsia early- versus late-onset and then reclassified based on first preeclampsia diagnosis date in the Patient Register. We cross-tabulated the two definitions and calculated sensitivity using the visit-based definition as the reference standard for general population and lupus pregnancies, overall and among nulliparous women.Results331 pregnancies were diagnosed with preeclampsia, of which 322 were in both registers. Of those, 58 were early-onset based on gestational age at delivery (n = 29 in lupus pregnancies). Overall, 9% of early-onset preeclampsia in lupus (sensitivity 91%, 95% confidence interval [CI] 75, 98) was misclassified as late-onset compared to 19% in the general population (sensitivity 81%, 95% CI 64, 92). We noted similar misclassification (4% vs 22%) among nulliparous women.ConclusionsIn the general population, early-onset preeclampsia was more likely misclassified as late-onset than in the high-risk lupus population. Relying on gestational age at delivery to phenotype preeclampsia, this way underestimates the occurrence of early-onset preeclampsia. This also suggests that the burden of early-onset preeclampsia as a public health concern may be under-reported, although this may be more applicable to milder preeclampsia where expectant management is employed. Research of biological and maternal predictors of early-onset preeclampsia may be dealing with differentially misclassified outcomes or samples.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Reproduktionsmedicin och gynekologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Obstetrics, Gynaecology and Reproductive Medicine (hsv//eng)
Nyckelord
- early-onset preeclampsia
- misclassification
- preeclampsia
- registers
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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