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External validation of models to predict the outcome of pregnancies of unknown location: a multicentre cohort study.
Christodoulou E, Bobdiwala S, Kyriacou C, Farren J, Mitchell-Jones N, Ayim F, Chohan B, Abughazza O, Guruwadahyarhalli B, Al-Memar M, Guha S, Vathanan V, Gould D, Stalder C, Wynants L, Timmerman D, Bourne T, Van Calster B. Christodoulou E, et al. BJOG. 2021 Feb;128(3):552-562. doi: 10.1111/1471-0528.16497. Epub 2020 Oct 7. BJOG. 2021. PMID: 32931087 Free PMC article.
We meta-analysed centre-specific results. MAIN OUTCOME MEASURES: Discrimination, calibration and clinical utility (decision curve analysis) for predicting EP. ...M6P and 2ST had the best clinical utility and good overall calibration, with modest variability between cent
We meta-analysed centre-specific results. MAIN OUTCOME MEASURES: Discrimination, calibration and clinical utility (decision curve ana …
Triaging women with pregnancy of unknown location using two-step protocol including M6 model: clinical implementation study.
Bobdiwala S, Christodoulou E, Farren J, Mitchell-Jones N, Kyriacou C, Al-Memar M, Ayim F, Chohan B, Kirk E, Abughazza O, Guruwadahyarhalli B, Guha S, Vathanan V, Bottomley C, Gould D, Stalder C, Timmerman D, van Calster B, Bourne T. Bobdiwala S, et al. Ultrasound Obstet Gynecol. 2020 Jan;55(1):105-114. doi: 10.1002/uog.20420. Ultrasound Obstet Gynecol. 2020. PMID: 31385381 Free article.
When a woman with a PUL was classified as high risk (i.e. risk of EP 5%) she was reviewed clinically within 48 h. One center used a progesterone cut-off of 10 nmol/L and its data were analyzed separately. ...
When a woman with a PUL was classified as high risk (i.e. risk of EP 5%) she was reviewed clinically within 48 h. One center used a p …