Publications by authors named "ChangXing Ma"

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Limiting Albuterol Use by EMS at the Start of the COVID-19 Pandemic: A Retrospective Analysis of Rapid Deimplementation.
Renoj Varughese, Susan J Burnett, Hilary Kirk, Ian Wallis, Nan Nan, Chang-Xing Ma

West J Emerg Med· November 2025

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Physiological Impacts of Cold Conditions during Moderate Intensity Activity while Wearing Firefighter Protective Clothing.
Andrew R Poreda, Kyle J Kelleran, Caitlin M Delaney, Cameron P DeMott, Nan Nan, Chang-Xing Ma

Prehosp Disaster Med· October 2025

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The Association Between Performance on the Emergency Medical Services In-Training Exam and Passing the Emergency Medical Services Certifying Exam.
Brian M Clemency, Susan J Burnett, Johanna C Innes, Michael O'Brien, Renoj Varughese, Changxing Ma, Marta Plonka, Marianne Gausche-Hill

AEM Educ Train· August 2025

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Interval estimation of relative risks for combined unilateral and bilateral correlated data.
Kejia Wang, Chang-Xing Ma

J Biopharm Stat· March 2025

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Self-Reported COVID-19 Vaccine Status and Barriers for Pediatric Emergency Patients and Caregivers.
Amanda M Szarzanowicz, Kendra Fabian, Maya Alexandri, Carly A Robinson, Sonia Singh, Changxing Ma

West J Emerg Med· January 2025

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Simultaneous confidence interval construction for many-to-one of proportion ratios of bilateral correlated data.
Zhaoqi Zhang, Chang-Xing Ma

PLoS One· October 2024

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Common odds ratio test and interval estimation for stratified bilateral and unilateral data.
Shuangcheng Hua, Changxing Ma

Stat Methods Med Res· September 2024

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VO2MAX, 6-minute walk, and muscle strength each correlate with frailty in US veterans.
Kenneth Ladd Seldeen, Ayesha Saqebur Rahman, Yonas Redae, Nikhil Satchidanand, M Jeffery Mador, Changxing Ma, Alexis Rose Lima, Ifeoma N Ezeilo

Front Physiol· September 2024

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Fixed dose ketamine for prehospital management of hyperactive delirium with severe agitation.
Michael C O'Brien, Kyle J Kelleran, Susan J Burnett, Kaylee A Hausrath, Mary S Kneer, Chang-Xing Ma

Am J Emerg Med· July 2024

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Testing the homogeneity of odds ratio across strata for combined bilateral and unilateral data.
Shuangcheng Hua, Changxing Ma

PLoS One· July 2024

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National Variation in EMS Response and Antiepileptic Medication Administration for Children with Seizures in the Prehospital Setting.
Maytal T Firnberg, E Brooke Lerner, Nan Nan, Chang-Xing Ma, Manish I Shah, N Clay Mann

West J Emerg Med· July 2023

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Relationship between Physical Activity and Pain in U.S. Adults.
Billy Michael Ray, Kyle J Kelleran, James E Eubanks, Nan Nan, Changxing Ma

Med Sci Sports Exerc· March 2023

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Association of ambient fine particulate matter exposure with gestational diabetes mellitus and blood glucose levels during pregnancy.
Rujie Liu, Jun Zhang, Li Chu, Jun Zhang, Yanjun Guo, Changxing Ma

Environ Res· November 2022

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Coenzyme Q10 supplementation for the treatment of statin-associated muscle symptoms.
Wilson Chen, Heather M Ochs-Balcom, Changxing Ma, Paul J Isackson, Georgirene D Vladutiu

Future Cardiol· June 2022

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Emergency Department Patients' COVID-19 Vaccination Status and Self-Reported Barriers.
Bethany W Harvey, Kyle J Kelleran, Heidi Suffoletto, Changxing Ma, Nan Nan

West J Emerg Med· March 2022

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An adaptive method of defining negative mutation status for multi-sample comparison using next-generation sequencing.
Nicholas Hutson, Fenglin Zhan, James Graham, Mitsuko Murakami, Han Zhang, Changxing Ma

BMC Med Genomics· December 2021

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Homogeneity test of relative risk ratios for stratified bilateral data under different algorithms.
Ke-Yi Mou, Chang-Xing Ma, Zhi-Ming Li

J Appl Stat· December 2021

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Testing the homogeneity of proportions for combined unilateral and bilateral data.
Chang-Xing Ma, Kejia Wang

J Biopharm Stat· September 2021

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Fast QLB algorithm and hypothesis tests in logistic model for ophthalmologic bilateral correlated data.
Yi-Qi Lin, Yu-Shun Zhang, Guo-Liang Tian, Chang-Xing Ma

J Biopharm Stat· January 2021

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Statistical tests under Dallal's model: Asymptotic and exact methods.
Zhiming Li, Changxing Ma, Mingyao Ai

PLoS One· January 2021

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Retrospective Analysis of Short-Term Respiratory Outcomes of Three Different Steroids Used in Clinical Practice in Intubated Preterm Infants.
Sfurti Nath, Anne Marie Reynolds, Satyan Lakshminrusimha, ChangXing Ma, Mark L Hudak

Am J Perinatol· December 2020

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Association of SLCO1B1 c.521T>C (rs4149056) with discontinuation of atorvastatin due to statin-associated muscle symptoms.
Derek W Linskey, Joseph D English, Daniel A Perry, Heather M Ochs-Balcom, Changxing Ma

Pharmacogenet Genomics· December 2020

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Interval estimation of proportion ratios for stratified bilateral correlated binary data.
Yuqing Xue, Chang-Xing Ma

Stat Methods Med Res· July 2020

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Simultaneous confidence interval construction for many-to-one comparisons of proportion differences based on correlated paired data.
Zhengyu Yang, Guo-Liang Tian, Xiaobin Liu, Chang-Xing Ma

J Appl Stat· July 2020

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Symptom Criteria for COVID-19 Testing of Heath Care Workers.
Brian M Clemency, Renoj Varughese, Danielle K Scheafer, Brian Ludwig, Jacob V Welch, Robert F McCormack, Changxing Ma, Thomas Raab

Acad Emerg Med· June 2020

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