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Development and validation of an improved prediction model for vaginal birth after previous cesarean section: a retrospective cohort study of a Chinese population
Published 2025-12-01“…Internal validation performed by bootstrap resampling, calibration curves, and Hosmer-Lemeshow test confirmed the model’s robust performance. An optimal predicted probability cut-off of 0.7 was identified by decision curve analysis and clinical considerations.Conclusions The improved predictive VBAC model exhibited adequate performance such that women with a prior low transverse cesarean delivery who scored 0.7 or higher (in the model-derived probability score) would consider TOLAC, potentially leading to a reduction in maternal-neonatal morbidity.Registration The study was approved by the Ethical Committee of Obstetrics and Gynecology Hospital, Fudan University (2018-43) and was registered in the Chinese Clinical Trial Registry (ChiCTR1900022484), https://www.chictr.org.cn/showproj.html?…”
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Top-down CO emission estimates using TROPOMI CO data in the TM5-4DVAR (r1258) inverse modeling suit
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Energy Efficiency and Decarbonization Resulting from the Transition to Virtual Space
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Understanding summertime H<sub>2</sub>O<sub>2</sub> chemistry in the North China Plain through observations and modeling studies
Published 2025-07-01“…<span class="inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" id="M30" display="inline" overflow="scroll" dspmath="mathml"><mrow class="chem"><msub><mi mathvariant="normal">H</mi><mn mathvariant="normal">2</mn></msub><msub><mi mathvariant="normal">O</mi><mn mathvariant="normal">2</mn></msub><mspace linebreak="nobreak" width="0.125em"/><mo>/</mo><mspace width="0.125em" linebreak="nobreak"/><msub><mi mathvariant="normal">NO</mi><mi>z</mi></msub></mrow></math><span><svg:svg xmlns:svg="http://www.w3.org/2000/svg" width="58pt" height="14pt" class="svg-formula" dspmath="mathimg" md5hash="a9182d24475047cf51b4132e8d78eed3"><svg:image xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="acp-25-6991-2025-ie00002.svg" width="58pt" height="14pt" src="acp-25-6991-2025-ie00002.png"/></svg:svg></span></span> ratios (<span class="inline-formula"><i>></i>0.15</span> in 82 % of cases) indicated that O<span class="inline-formula"><sub>3</sub></span> formation was in a transition and NO<span class="inline-formula"><sub><i>x</i></sub></span>-sensitive regime, emphasizing the need for further volatile organic compound (VOC) and NO<span class="inline-formula"><sub><i>x</i></sub></span> reductions to mitigate both H<span class="inline-formula"><sub>2</sub></span>O<span class="inline-formula"><sub>2</sub></span> and O<span class="inline-formula"><sub>3</sub></span> pollution. …”
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