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3 results on '"Ma, Changxing"'

1. Homogeneity Tests and Interval Estimations of Risk Differences for Stratified Bilateral and Unilateral Correlated Data

Author

Liang, Shuyi and Ma, Changxing

Subjects
FOS: Computer and information sciences, Applications (stat.AP), Statistics - Applications
Abstract

Homogeneity tests and interval estimations of the risk difference between two groups are of general interest under paired Bernoulli settings with the presence of stratification effects. Dallal [1] proposed a model by parameterizing the probability of an occurrence at one site given an occurrence at the other site. Based on this model, we propose three test statistics and evaluate their performances regarding type I error controls and powers. Confidence intervals of a common risk difference with satisfactory coverage probabilities and interval length are constructed. Our simulation results show that the score test is the most robust and the profile likelihood confidence interval outperforms other methods proposed. Data from a study of acute otitis media is used to illustrate our proposed procedures.

Published
2023
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2. Additional file 2 of An adaptive method of defining negative mutation status for multi-sample comparison using next-generation sequencing

Author

Hutson, Nicholas, Zhan, Fenglin, Graham, James, Murakami, Mitsuko, Zhang, Han, Ganaparti, Sujana, Hu, Qiang, Yan, Li, Ma, Changxing, Liu, Song, Xie, Jun, and Wei, Lei

Abstract

Additional file 2. Supplementary figures. Figure S1: Two-measurement simulation to evaluate the performance of negative-defining methods.

Published
2021
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3. Early Use of Inhaled Nitric Oxide in Preterm Infants: Is there a Rationale for Selective Approach?

Author

Chandrasekharan, Praveen, Kozielski, Rafal, Kumar, Vasantha HS, Rawat, Munmun, Manja, Veena, Ma, Changxing, and Lakshminrusimha, Satyan

Subjects
Male, Vasodilator Agents, Diseases, Low Birth Weight and Health of the Newborn, Infant Mortality, pulmonary hypertension, Hypoxia, Lung, Premature Rupture, Pediatric, Prenatal Care, Pulmonary, hypoxemic respiratory failure, Survival Rate, Inhalation, Pulmonary Veins, Hypertension, Administration, Muscle, Steroids, Female, Smooth, Respiratory Insufficiency, Clinical Sciences, Gestational Age, Pulmonary Artery, Nitric Oxide, Paediatrics and Reproductive Medicine, Preterm, Clinical Research, Vascular, Humans, inhaled nitric oxide, Obstetrics & Reproductive Medicine, Fetal Membranes, Premature, Retrospective Studies, Cerebral Intraventricular Hemorrhage, Periventricular, Patient Selection, Prevention, Infant, Protective Factors, Perinatal Period - Conditions Originating in Perinatal Period, preterm prolonged rupture of membrane, Newborn, Actins, Oxygen, Good Health and Well Being, Case-Control Studies, smooth muscle area ratio, Leukomalacia
Abstract

Background Inhaled nitric oxide (iNO) is being increasingly used in preterm infants

Published
2017

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