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nonlinear curve fit boltzmann function  (OriginLab corp)

 
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    OriginLab corp nonlinear curve fit boltzmann function
    Liver stiffness increased almost exclusively in the third trimester of normal pregnancy. A: Mean LS as a function of gestational week (9 to 42) of healthy pregnant women without pregnancy complications. Displayed is the mean LS for every gestational week with 95% confidence bands from standard deviation and the nonlinear regression function from a <t>Boltzmann</t> fit with y = 7.0 - 2.67 × (1/(1 + exp((gest.week - 32)/3.7))). From gestational week 26 on LS starts to increase and settles at a plateau of 6.7 kPa at week 39. B: LS in healthy pregnant women without pregnancy complications such as preeclampsia or intrahepatic cholestasis dependent on the trimester of pregnancy where the measurement took place. LS is significantly increased in women in the third trimester of pregnancy compared to women in the first or second trimester. No significant difference between LS in the first and second trimester was observed. LS: Liver stiffness. a P < 0.05; b P < 0.01; c P < 0.001.
    Nonlinear Curve Fit Boltzmann Function, supplied by OriginLab corp, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
    https://www.bioz.com/result/nonlinear curve fit boltzmann function/product/OriginLab corp
    Average 90 stars, based on 1 article reviews
    nonlinear curve fit boltzmann function - by Bioz Stars, 2026-03
    90/100 stars

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    1) Product Images from "Liver stiffness reversibly increases during pregnancy and independently predicts preeclampsia"

    Article Title: Liver stiffness reversibly increases during pregnancy and independently predicts preeclampsia

    Journal: World Journal of Gastroenterology

    doi: 10.3748/wjg.v24.i38.4393

    Liver stiffness increased almost exclusively in the third trimester of normal pregnancy. A: Mean LS as a function of gestational week (9 to 42) of healthy pregnant women without pregnancy complications. Displayed is the mean LS for every gestational week with 95% confidence bands from standard deviation and the nonlinear regression function from a Boltzmann fit with y = 7.0 - 2.67 × (1/(1 + exp((gest.week - 32)/3.7))). From gestational week 26 on LS starts to increase and settles at a plateau of 6.7 kPa at week 39. B: LS in healthy pregnant women without pregnancy complications such as preeclampsia or intrahepatic cholestasis dependent on the trimester of pregnancy where the measurement took place. LS is significantly increased in women in the third trimester of pregnancy compared to women in the first or second trimester. No significant difference between LS in the first and second trimester was observed. LS: Liver stiffness. a P < 0.05; b P < 0.01; c P < 0.001.
    Figure Legend Snippet: Liver stiffness increased almost exclusively in the third trimester of normal pregnancy. A: Mean LS as a function of gestational week (9 to 42) of healthy pregnant women without pregnancy complications. Displayed is the mean LS for every gestational week with 95% confidence bands from standard deviation and the nonlinear regression function from a Boltzmann fit with y = 7.0 - 2.67 × (1/(1 + exp((gest.week - 32)/3.7))). From gestational week 26 on LS starts to increase and settles at a plateau of 6.7 kPa at week 39. B: LS in healthy pregnant women without pregnancy complications such as preeclampsia or intrahepatic cholestasis dependent on the trimester of pregnancy where the measurement took place. LS is significantly increased in women in the third trimester of pregnancy compared to women in the first or second trimester. No significant difference between LS in the first and second trimester was observed. LS: Liver stiffness. a P < 0.05; b P < 0.01; c P < 0.001.

    Techniques Used: Standard Deviation



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    Liver stiffness increased almost exclusively in the third trimester of normal pregnancy. A: Mean LS as a function of gestational week (9 to 42) of healthy pregnant women without pregnancy complications. Displayed is the mean LS for every gestational week with 95% confidence bands from standard deviation and the nonlinear regression function from a Boltzmann fit with y = 7.0 - 2.67 × (1/(1 + exp((gest.week - 32)/3.7))). From gestational week 26 on LS starts to increase and settles at a plateau of 6.7 kPa at week 39. B: LS in healthy pregnant women without pregnancy complications such as preeclampsia or intrahepatic cholestasis dependent on the trimester of pregnancy where the measurement took place. LS is significantly increased in women in the third trimester of pregnancy compared to women in the first or second trimester. No significant difference between LS in the first and second trimester was observed. LS: Liver stiffness. a P < 0.05; b P < 0.01; c P < 0.001.

    Journal: World Journal of Gastroenterology

    Article Title: Liver stiffness reversibly increases during pregnancy and independently predicts preeclampsia

    doi: 10.3748/wjg.v24.i38.4393

    Figure Lengend Snippet: Liver stiffness increased almost exclusively in the third trimester of normal pregnancy. A: Mean LS as a function of gestational week (9 to 42) of healthy pregnant women without pregnancy complications. Displayed is the mean LS for every gestational week with 95% confidence bands from standard deviation and the nonlinear regression function from a Boltzmann fit with y = 7.0 - 2.67 × (1/(1 + exp((gest.week - 32)/3.7))). From gestational week 26 on LS starts to increase and settles at a plateau of 6.7 kPa at week 39. B: LS in healthy pregnant women without pregnancy complications such as preeclampsia or intrahepatic cholestasis dependent on the trimester of pregnancy where the measurement took place. LS is significantly increased in women in the third trimester of pregnancy compared to women in the first or second trimester. No significant difference between LS in the first and second trimester was observed. LS: Liver stiffness. a P < 0.05; b P < 0.01; c P < 0.001.

    Article Snippet: A nonlinear curve fit on data with a Boltzmann function was performed using OriginPro 8 (OriginLab Cooperation).

    Techniques: Standard Deviation