Publications by authors named "Sam Harper"

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Antenatal Corticosteroid Administration and Childhood Respiratory Morbidity: A Regression Discontinuity Study.
Jennifer A Hutcheon, Sam Harper, M Claire Cordingley, Jessica Liauw, M Amanda Skoll

BJOG· January 2026

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Evaluating the Role and Policy Implications of Using External Evidence in Survival Extrapolations: A Case Study of Axicabtagene Ciloleucel Therapy for Second-Line DLBCL.
Sam Harper, Daniela Afonso, Karina Watts, Brett Doble, Oskar Eklund

Pharmacoeconomics· November 2025

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Multi-year Evaluation of a Clean Heating Policy on Residents' Air Pollution Exposures in Beijing, China.
Xiaoying Li, Collin Brehmer, Kennedy Hirst, Talia Sternbach, Wenlu Yuan, Sam Harper

Environ Sci Technol· November 2025

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Inequalities in preterm birth among immigrants to Canada by race and time since immigration: A population-based repeated cross-sectional study.
Rina Lall, Peter M Socha, Sam Harper, Divine-Favour Chichenim Ofili, Erin Hetherington

Int J Gynaecol Obstet· October 2025

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Cost-effectiveness of RefluxStop compared to proton pump inhibitors and Nissen fundoplication for management of persistent gastroesophageal reflux disease in Norway.
Sam Harper, Muralikrishnan Kartha, Stuart Mealing, Lars Eftang, Robin Gaupset

Cost Eff Resour Alloc· October 2025

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Effects of Outdoor and Household Air Pollution on Hand Grip Strength in a Longitudinal Study of Rural Beijing Adults.
Wenlu Yuan, Xiaoying Li, Collin Brehmer, Talia Sternbach, Xiang Zhang, Sam Harper

Int J Environ Res Public Health· August 2025

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Contributors to age inequalities in loneliness among older adults: a decomposition analysis of 29 countries.
Robin A Richardson, Sam Harper, Katherine M Keyes, Christopher L Crowe, Esteban Calvo

Aging Ment Health· July 2025

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Perinatal health inequalities between Canadian-born and foreign-born women in Canada: a decomposition analysis.
Melia Alcantara, Sam B Harper, Gabriel D Shapiro, Tracey Bushnik, Jay S Kaufman

BMJ Public Health· July 2025

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OpenSAFELY: The impact of COVID-19 on azathioprine, leflunomide and methotrexate monitoring, and factors associated with change in monitoring rate.
Andrew D Brown, Louis Fisher, Helen J Curtis, Milan Wiedemann, William J Hulme, Sam Harper

Br J Clin Pharmacol· June 2025

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Cigarette taxation and socioeconomic inequalities in under-5 mortality across 94 low-income and middle-income countries: a longitudinal ecological study.
Olivia S Bannon, Jasper V Been, Sam Harper, Anthony A Laverty, Christopher Millett

Lancet Public Health· May 2025

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Socioeconomic inequalities in mortality associated with mental disorders: a population-based cohort study.
Danni Chen, Natalie C Momen, Linda Ejlskov, Katrine Bødkergaard, Julie Werenberg Dreier, Sam Harper

World Psychiatry· February 2025

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Study protocol: Comparison of different risk prediction modelling approaches for COVID-19 related death using the OpenSAFELY platform.

Wellcome Open Res· December 2024

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The Economic Impact of Introducing RefluxStop for Refractory Gastroesophageal Reflux Disease on the Italian Healthcare System.
Sam Harper, Muralikrishnan Kartha, Stuart Mealing, Maurizio Pavanello, Luigi Bonavina

Pharmacoecon Open· November 2024

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Access to affordable daycare and women's mental health in Rajasthan, India: Evidence from a cluster-randomised social intervention.
Arijit Nandi, Parul Agarwal, Anoushaka Chandrashekar, Shannon Maloney, Robin Richardson, Sam Harper

J Glob Health· November 2024

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Effects of a coal to clean heating policy on acute myocardial infarction in Beijing: a difference-in-differences analysis.
Martha Lee, Jie Chang, Qiuju Deng, Piaopiao Hu, Honor Bixby, Sam Harper

Lancet Planet Health· November 2024

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A cost-effectiveness analysis of RefluxStop against relevant therapeutic alternatives for chronic gastroesophageal reflux disease in Sweden.
Sam Harper, Muralikrishnan Kartha, Stuart Mealing, Lars Lundell

Expert Rev Pharmacoecon Outcomes Res· October 2024

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Methods of confounder selection in obstetrics and gynaecology studies: An overview of recent practice.
Peter M Socha, Sam Harper, Jennifer A Hutcheon

BJOG· September 2024

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Antenatal corticosteroids and newborn respiratory outcomes in twins: A regression discontinuity study.
Peter M Socha, Sam Harper, Erin Strumpf, Kellie E Murphy, Jennifer A Hutcheon

BJOG· July 2024

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The impact of COVID-19 on medication reviews in English primary care. An OpenSAFELY-TPP analysis of 20 million adult electronic health records.

Br J Clin Pharmacol· July 2024

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Consistency, completeness and external validity of ethnicity recording in NHS primary care records: a cohort study in 25 million patients' records at source using OpenSAFELY.

BMC Med· July 2024

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Cost-effectiveness of the RefluxStop device for management of refractory gastroesophageal reflux disease in Switzerland.
Sam Harper, Muralikrishnan Kartha, Stuart Mealing, Yves M Borbély, Jörg Zehetner

J Med Econ· June 2024

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Inequalities in access to prenatal care during the COVID-19 pandemic: Analysis of a population-based cohort.
Erin Hetherington, Elizabeth Darling, Sam Harper, Francis Nguyen, Laura Schummers

Paediatr Perinat Epidemiol· May 2024

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Incidence and treatment of group A streptococcal infections during covid-19 pandemic and 2022 outbreak: retrospective cohort study in England using OpenSAFELY-TPP.
Christine Cunningham, Louis Fisher, Christopher Wood, Victoria Speed, Andrew D Brown, Sam Harper

BMJ Med· May 2024

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Budget Impact of RefluxStop™ as a Treatment for Patients with Refractory Gastro-oesophageal Reflux Disease in the United Kingdom.
Sam Harper, Lukasz Grodzicki, Stuart Mealing, Elizabeth Gemmill, Paul Goldsmith

J Health Econ Outcomes Res· January 2024

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Comparative effectiveness of nirmatrelvir/ritonavir versus sotrovimab and molnupiravir for preventing severe COVID-19 outcomes in non-hospitalised high-risk patients during Omicron waves: observational cohort study using the OpenSAFELY platform.
Bang Zheng, John Tazare, Linda Nab, Amelia Ca Green, Helen J Curtis, Sam Harper

Lancet Reg Health Eur· November 2023

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