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Comparing the resul...
Comparing the results from a Swedish pregnancy cohort using data from three automated placental growth factor immunoassay platforms intended for first-trimester preeclampsia prediction.
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- Carlsson, Ylva, 1975 (author)
- Gothenburg University,Göteborgs universitet,University of Gothenburg,Sahlgrenska University Hospital,Institutionen för kliniska vetenskaper, Avdelningen för obstetrik och gynekologi,Institute of Clinical Sciences, Department of Obstetrics and Gynecology
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- Sandström, Anna (author)
- Karolinska Institutet,Karolinska Institute,Karolinska University Hospital
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- Bergman, Lina, 1982 (author)
- Gothenburg University,Göteborgs universitet,University of Gothenburg,Sahlgrenska University Hospital,Institutionen för kliniska vetenskaper, Avdelningen för obstetrik och gynekologi,Institute of Clinical Sciences, Department of Obstetrics and Gynecology
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- Conner, Peter (author)
- Department of Women's Health, Division of Obstetrics, Karolinska University Hospital, Stockholm, Sweden.
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- Hansson, Stefan (author)
- Lund University,Lunds universitet,Molekylär neurobiologi,Forskargrupper vid Lunds universitet,Obstetrik och gynekologi, Lund,Sektion V,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Enheten för translationell obstetrisk forskning,Molecular Neurobiology,Lund University Research Groups,Obstetrics and Gynaecology (Lund),Section V,Department of Clinical Sciences, Lund,Faculty of Medicine,Unit for translational obstetric research,Skåne University Hospital
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- Kublicka, Marius (author)
- Department of Clinical Science, Intervention and Technology - CLINTEC, Karolinska Institutet and Center for Fetal Medicine, Karolinska University Hospital, Stockholm, Sweden.
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- Görmüş, Uzay (author)
- PerkinElmer Genomics, Stockholm, Sweden.
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- Lindgren, Peter (author)
- Department of Clinical Science, Intervention and Technology - CLINTEC, Karolinska Institutet and Center for Fetal Medicine, Karolinska University Hospital, Stockholm, Sweden.
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- Oleröd, Göran (author)
- Department of Clinical Chemistry, Sahlgrenska University Hospital, Gothenburg, Sweden.
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- Wikström, Anna-Karin, 1965- (author)
- Uppsala University,Uppsala universitet,Institutionen för kvinnors och barns hälsa
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- Larsson, Anders (author)
- Uppsala University,Uppsala universitet,Klinisk kemi
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(creator_code:org_t)
- 2023
- 2023
- English.
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In: Acta Obstetricia et Gynecologica Scandinavica. - : Wiley. - 0001-6349 .- 1600-0412. ; :8, s. 1084-1091
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Abstract
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- INTRODUCTION: Risk evaluation for preeclampsia in early pregnancy allows identification of women at high risk. Prediction models for preeclampsia often include circulating concentrations of placental growth factor (PlGF); however, the models are usually limited to a specific PlGF method of analysis. The aim of this study was to compare three different PlGF methods of analysis in a Swedish cohort to assess their convergent validity and appropriateness for use in preeclampsia risk prediction models in the first trimester of pregnancy.MATERIAL AND METHODS: First-trimester blood samples were collected in gestational week 11+0 to 13+6 from 150 pregnant women at Uppsala University Hospital during November 2018 until November 2020. These samples were analyzed using the different PlGF methods from Perkin Elmer, Roche Diagnostics, and Thermo Fisher Scientific.RESULTS: There were strong correlations between the PlGF results obtained with the three methods, but the slopes of the correlations clearly differed from 1.0: PlGFPerkinElmer = 0.553 (95% confidence interval [CI] 0.518-0.588) * PlGFRoche -1.112 (95% CI -2.773 to 0.550); r = 0.966, mean difference -24.6 (95% CI -26.4 to -22.8). PlGFPerkinElmer = 0.673 (95% CI 0.618-0.729) * PlGFThermoFisher -0.199 (95% CI -2.292 to 1.894); r = 0.945, mean difference -13.8 (95% CI -15.1 to -12.6). PlGFRoche = 1.809 (95% CI 1.694-1.923) * PlGFPerkinElmer +2.010 (95% CI -0.877 to 4.897); r = 0.966, mean difference 24.6 (95% CI 22.8-26.4). PlGFRoche = 1.237 (95% CI 1.113-1.361) * PlGFThermoFisher +0.840 (95% CI -3.684 to 5.363); r = 0.937, mean difference 10.8 (95% CI 9.4-12.1). PlGFThermoFisher = 1.485 (95% CI 1.363-1.607) * PlGFPerkinElmer +0.296 (95% CI -2.784 to 3.375); r = 0.945, mean difference 13.8 (95% CI 12.6-15.1). PlGFThermoFisher = 0.808 (95% CI 0.726-0.891) * PlGFRoche -0.679 (95% CI -4.456 to 3.099); r = 0.937, mean difference -10.8 (95% CI -12.1 to -9.4).CONCLUSION: The three PlGF methods have different calibrations. This is most likely due to the lack of an internationally accepted reference material for PlGF. Despite different calibrations, the Deming regression analysis indicated good agreement between the three methods, which suggests that results from one method may be converted to the others and hence used in first-trimester prediction models for preeclampsia.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Klinisk laboratoriemedicin (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Clinical Laboratory Medicine (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Reproduktionsmedicin och gynekologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Obstetrics, Gynaecology and Reproductive Medicine (hsv//eng)
Keyword
- PlGF
- first-trimester screening
- method comparison
- method correlation
- placental growth factor
- preeclampsia
- screening
- ultrasound
- first-trimester screening
- method comparison
- method correlation
- placental growth factor
- PlGF
- preeclampsia
- screening
- ultrasound
Publication and Content Type
- ref (subject category)
- art (subject category)
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Carlsson, Ylva, ...
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Sandström, Anna
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Bergman, Lina, 1 ...
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Conner, Peter
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Hansson, Stefan
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Kublicka, Marius
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Görmüş, Uzay
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Lindgren, Peter
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Oleröd, Göran
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Wikström, Anna-K ...
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Larsson, Anders
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Uppsala University
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Karolinska Institutet
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