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Association of quality of care and long-term mortality risk for individuals presenting with ST-segment myocardial infarction (STEMI) by diabetes mellitus status: A nationwide cohort study (2025)
Journal Article
Cole, A., Weight, N., Wijeysundera, H. C., Rashid, M., Yu, D., Healey, E. L., …Mamas, M. A. (in press). Association of quality of care and long-term mortality risk for individuals presenting with ST-segment myocardial infarction (STEMI) by diabetes mellitus status: A nationwide cohort study. Diabetes Research and Clinical Practice, 222, 1-10. https://doi.org/10.1016/j.diabres.2025.112092

Aims: This study aimed to assess how diabetes influences the quality of care and longer-term outcomes in contemporary STEMI cohorts.

Methods: We analysed 283,658 adults hospitalised with STEMI from the United Kingdom Myocardial Ischaemia National... Read More about Association of quality of care and long-term mortality risk for individuals presenting with ST-segment myocardial infarction (STEMI) by diabetes mellitus status: A nationwide cohort study.

Sequence Analysis to Phenotype Healthcare Patterns in Adults with Musculoskeletal Conditions Using Primary Care Electronic Health Records (2025)
Journal Article
Mathew, S., Peat, G., Parry, E., Wilkie, R., Jordan, K. P., Hill, J. C., & Yu, D. (in press). Sequence Analysis to Phenotype Healthcare Patterns in Adults with Musculoskeletal Conditions Using Primary Care Electronic Health Records. Arthritis Care & Research, 1-29. https://doi.org/10.1002/acr.25514

ObjectiveThe aim of this study was to apply sequence analysis (SA) to phenotype healthcare patterns of adult patients with musculoskeletal (MSK) conditions using primary care electronic health records and to investigate the association between these... Read More about Sequence Analysis to Phenotype Healthcare Patterns in Adults with Musculoskeletal Conditions Using Primary Care Electronic Health Records.

An application of matching algorithms to generalize small-area estimates of chronic pain prevalence to neighbourhoods across England (2025)
Journal Article
Quinn, L., Yu, D., Lynch, M., P Jordan, K., Wilkie, R., & Peat, G. (2025). An application of matching algorithms to generalize small-area estimates of chronic pain prevalence to neighbourhoods across England. Journal of Public Health, 1-9. https://doi.org/10.1093/pubmed/fdaf002

Background
Local decision-makers lack granular data on the prevalence of chronic pain in their populations. We applied matching methods to generalize estimates from one local survey in England to other neighborhoods across the country with a similar... Read More about An application of matching algorithms to generalize small-area estimates of chronic pain prevalence to neighbourhoods across England.

Maternal perinatal anxiety and infant primary care use in 1998–2016: a UK cohort study (2025)
Journal Article
Smith, H. C., Archer, C., Bailey, J., Chew Graham, C., Evans, J., Fisher, T., …Petersen, I. (2025). Maternal perinatal anxiety and infant primary care use in 1998–2016: a UK cohort study. BMJ Mental Health, 28(1), 1-8. https://doi.org/10.1136/bmjment-2024-301160

There is some evidence that perinatal anxiety (PNA) is associated with lower rates of infant vaccinations and decreased access to preventative infant healthcare, but results across studies have not been conclusive. To investigate the relationship bet... Read More about Maternal perinatal anxiety and infant primary care use in 1998–2016: a UK cohort study.

Comparative risk of type 2 diabetes development between women with gestational diabetes and women with impaired glucose tolerance over two decades: a multiethnic prospective cohort in New Zealand (2024)
Journal Article
Yu, D., Fu, H., Zhao, Z., Pickering, K., Baker, J., Cutfield, R., …Simmons, D. (2024). Comparative risk of type 2 diabetes development between women with gestational diabetes and women with impaired glucose tolerance over two decades: a multiethnic prospective cohort in New Zealand. BMJ Open Diabetes Research and Care, 12(6), https://doi.org/10.1136/bmjdrc-2024-004210

Introduction: To evaluate the long-term risk of developing type 2 diabetes (T2D) among women with a history of gestational diabetes mellitus (GDM) compared with those with impaired glucose tolerance (IGT). Research design and methods: Using data from... Read More about Comparative risk of type 2 diabetes development between women with gestational diabetes and women with impaired glucose tolerance over two decades: a multiethnic prospective cohort in New Zealand.

Association between within-target risk factors and life expectancy free from cardiovascular disease, cancer, and dementia in individuals with type 2 diabetes in New Zealand between 1994 and 2018: a multi-ethnic cohort study (2024)
Journal Article
Yu, D., Zhao, Z., Pickering, K., Baker, J., Cutfield, R., Orr-Walker, B. J., …Simmons, D. (2024). Association between within-target risk factors and life expectancy free from cardiovascular disease, cancer, and dementia in individuals with type 2 diabetes in New Zealand between 1994 and 2018: a multi-ethnic cohort study. BMC Medicine, 22(1), Article 527. https://doi.org/10.1186/s12916-024-03743-y

Background: The extent to which type 2 diabetes (T2D) reduces life expectancy depends on the risk of complications. We aimed to characterise the relationship between risk factors for diabetes complications and life expectancy, in individuals with T2D... Read More about Association between within-target risk factors and life expectancy free from cardiovascular disease, cancer, and dementia in individuals with type 2 diabetes in New Zealand between 1994 and 2018: a multi-ethnic cohort study.

Title: Prediction of Functional Disability in Older Chinese Adults Using a Random Survival Forest Model (2024)
Working Paper
Shan, Y., Jiang, S., Yu, D., Fan, W., Gao, J., Lu, W., …Wang, C. Title: Prediction of Functional Disability in Older Chinese Adults Using a Random Survival Forest Model

Background
As life expectancy increases, so does the risk of age-related diseases and functional disability, which significantly raises the risk of all-cause mortality in older adults. Individuals with disabilities may die up to 20 years earlier tha... Read More about Title: Prediction of Functional Disability in Older Chinese Adults Using a Random Survival Forest Model.

Cancer risk following onset of type 2 diabetes in New Zealanders with impaired glucose tolerance over 25 years: a matched prospective cohort study (2024)
Journal Article
Wang, Z., Yu, D., Osuagwu, U. L., Pickering, K., Baker, J., Cutfield, R., …Simmons, D. (in press). Cancer risk following onset of type 2 diabetes in New Zealanders with impaired glucose tolerance over 25 years: a matched prospective cohort study. BMC Cancer, 24(1), Article 892. https://doi.org/10.1186/s12885-024-12637-4

In people with prediabetes, the link between developing type 2 diabetes (T2D) and cancer risk among those with impaired glucose tolerance (IGT) remains uncertain. We examined this association in IGT individuals from primary care in South and West Auc... Read More about Cancer risk following onset of type 2 diabetes in New Zealanders with impaired glucose tolerance over 25 years: a matched prospective cohort study.

Long-term impact of type 2 diabetes onset on dementia incidence rate among New Zealanders with impaired glucose tolerance: A tapered-matched landmark analysis over 25 years (2024)
Journal Article
Yu, D., Wang, Z., Osuagwu, U. L., Pickering, K., Baker, J., Cutfield, R., …Simmons, D. (2024). Long-term impact of type 2 diabetes onset on dementia incidence rate among New Zealanders with impaired glucose tolerance: A tapered-matched landmark analysis over 25 years. Alzheimer's & Dementia: The Journal of the Alzheimer's Association, https://doi.org/10.1002/alz.13855

INTRODUCTION
We aimed to investigate the association between the onset of type 2 diabetes (T2D) and dementia incidence rates (IR) in the population with impaired glucose tolerance (IGT) identified in primary care in New Zealand (NZ) over 25 years.... Read More about Long-term impact of type 2 diabetes onset on dementia incidence rate among New Zealanders with impaired glucose tolerance: A tapered-matched landmark analysis over 25 years.

Risk of renal disease progression in young adults with type-2-diabetes (2024)
Presentation / Conference
Perera, K., Baker, J., Jayanatha, K., Pickering, K., Cutfield, R., Orr-Walker, B. J., …Simmons, D. (2024, May). Risk of renal disease progression in young adults with type-2-diabetes. Paper presented at New Zealand Society for the Study of Diabetes (NZSSD) Annual Scientific Meeting & Annual General Meeting, Te Pae Convention Centre, 188 Oxford Tce, Ōtautahi Christchurch

Chronic pain-mental health comorbidity and excess prevalence of health risk behaviours: a cross-sectional study (2024)
Journal Article
Lumley, S., Yu, D., Wilkie, R., Jordan, K. P., & Peat, G. (2024). Chronic pain-mental health comorbidity and excess prevalence of health risk behaviours: a cross-sectional study. Primary Health Care Research & Development, 25, 1-8. https://doi.org/10.1017/S1463423624000070

Background:
Chronic musculoskeletal pain and anxiety/depression are significant public health problems. We hypothesised that adults with both conditions constitute a group at especially high risk of future cardiovascular health outcomes.

Aim:
To... Read More about Chronic pain-mental health comorbidity and excess prevalence of health risk behaviours: a cross-sectional study.

Could primary care records be used to identify women at risk of perinatal anxiety? A mixed-methods study. (2024)
Presentation / Conference
Fisher, T., Archer, C., Bailey, J., Evans, J., Kessler, D. S., Kingstone, T., …Chew-Graham, C. (2024, March). Could primary care records be used to identify women at risk of perinatal anxiety? A mixed-methods study. Presented at BJGP Research & Publishing Conference, RCGP Headquarters in London, England, UK

Perinatal anxiety (PNA) occurs throughout the antenatal period or up to 1 year after childbirth, with a prevalence of 21%. To investigate if primary care records could be used to identify women at 'higher risk' of PNA. Mixed-methods approach using qu... Read More about Could primary care records be used to identify women at risk of perinatal anxiety? A mixed-methods study..

The SelfSTarT intervention for low back pain patients presenting to first contact physiotherapists: A mixed methods service evaluation (2024)
Journal Article
Stevenson, K., Hadley‐Barrows, T., Evans, N., Campbell, L., Southam, J., Chudyk, A., …Hill, J. C. (2024). The SelfSTarT intervention for low back pain patients presenting to first contact physiotherapists: A mixed methods service evaluation. Musculoskeletal Care, 22(1), Article e1876. https://doi.org/10.1002/msc.1876

Introduction
Globally, back pain is the leading cause of years of disability. In the United Kingdom, over 20 million people live with musculoskeletal (MSK) pain, with low back pain being one of the most common causes. National strategies promote sel... Read More about The SelfSTarT intervention for low back pain patients presenting to first contact physiotherapists: A mixed methods service evaluation.

All-cause, premature, and cardiovascular death attributable to socioeconomic and ethnic disparities among New Zealanders with type 1 diabetes 1994–2019: a multi-linked population-based cohort study (2024)
Journal Article
Yu, D., Cai, Y., Osuagwu, U. L., Pickering, K., Baker, J., Cutfield, R., …Simmons, D. (2024). All-cause, premature, and cardiovascular death attributable to socioeconomic and ethnic disparities among New Zealanders with type 1 diabetes 1994–2019: a multi-linked population-based cohort study. BMC Public Health, 24(1), Article 298. https://doi.org/10.1186/s12889-023-17326-8

Background
New Zealand (NZ) research into type 1 diabetes mellitus (T1DM) mortality can inform policy and future research. In this study we aimed to quantify the magnitude to which ethnicity and socioeconomic disparities influenced mortality at the... Read More about All-cause, premature, and cardiovascular death attributable to socioeconomic and ethnic disparities among New Zealanders with type 1 diabetes 1994–2019: a multi-linked population-based cohort study.

Health Inequality in Eight Adverse Outcomes Over a 25-Year Period in a Multi-Ethnic Population in New Zealand Population with Impaired Glucose Tolerance and/or Impaired Fasting Glucose: An Age-Period-Cohort Analysis (2023)
Journal Article
Wang, Z., Yu, D., Osuagwu, U. L., Pickering, K., Baker, J., Cutfield, R., …Simmons, D. (2023). Health Inequality in Eight Adverse Outcomes Over a 25-Year Period in a Multi-Ethnic Population in New Zealand Population with Impaired Glucose Tolerance and/or Impaired Fasting Glucose: An Age-Period-Cohort Analysis. Clinical Epidemiology, 15, 1123-1143. https://doi.org/10.2147/clep.s433714

Purpose: We aimed to examine socioeconomic inequality (SI) in cause-specific outcomes among adults with impaired glucose tolerance (IGT) and/or Impaired fasting glucose (IFG) in New Zealand (NZ) over 25 years.

Patients and Methods: A population-ba... Read More about Health Inequality in Eight Adverse Outcomes Over a 25-Year Period in a Multi-Ethnic Population in New Zealand Population with Impaired Glucose Tolerance and/or Impaired Fasting Glucose: An Age-Period-Cohort Analysis.

Applying sequence analysis to uncover ‘real-world’ clinical pathways from routinely collected data: a systematic review (2023)
Journal Article
Mathew, S., Peat, G., Parry, E., Singh Sokhal, B., & Yu, D. (2024). Applying sequence analysis to uncover ‘real-world’ clinical pathways from routinely collected data: a systematic review. Journal of Clinical Epidemiology, 111226. https://doi.org/10.1016/j.jclinepi.2023.111226

Objective

This systematic review aims to elucidate the methodological practices and reporting standards associated with sequence analysis (SA) for the identification of clinical pathways in real-world scenarios, using routinely collected data.
St... Read More about Applying sequence analysis to uncover ‘real-world’ clinical pathways from routinely collected data: a systematic review.

Association Between Onset of Type 2 Diabetes and Risk of Atrial Fibrillation in New Zealanders With Impaired Glucose Tolerance Over 25 Years (2023)
Journal Article
Yu, D., Qu, B., Osuagwu, U. L., Pickering, K., Baker, J., Cutfield, R., …Simmons, D. (2023). Association Between Onset of Type 2 Diabetes and Risk of Atrial Fibrillation in New Zealanders With Impaired Glucose Tolerance Over 25 Years. Journal of the American Heart Association, 12(18), Article e030159. https://doi.org/10.1161/JAHA.123.030159

Background
The association between the onset of type 2 diabetes (T2D) and atrial fibrillation (AF) risk in individuals with impaired glucose tolerance (IGT) remains unclear. This study aimed to investigate the relationship between the incident onset... Read More about Association Between Onset of Type 2 Diabetes and Risk of Atrial Fibrillation in New Zealanders With Impaired Glucose Tolerance Over 25 Years.

Real‐world evidence that among atrial fibrillation patients warfarin is associated with reduced nonelective admissions compared with those on DOACs (2023)
Journal Article
Yu, D., Brown, J., David Strain, W., & Simmons, D. (2023). Real‐world evidence that among atrial fibrillation patients warfarin is associated with reduced nonelective admissions compared with those on DOACs. Clinical Cardiology, https://doi.org/10.1002/clc.24146

Background: Randomized trials show inconsistent estimates on risks of direct‐acting oral anticoagulants (DOACs) versus warfarin in bleeding and mortality for atrial fibrillation (AF) patients. Trials are confounded by additional DOAC adherence suppor... Read More about Real‐world evidence that among atrial fibrillation patients warfarin is associated with reduced nonelective admissions compared with those on DOACs.

Use of non-surgical treatments on the journey to knee replacement in patients with knee osteoarthritis: a 10-year population-based case–control study (2023)
Journal Article
Dell'Isola, A., Hellberg, C., Turkiewicz, A., Appleyard, T., Yu, D., Thomas, G., …Englund, M. (2023). Use of non-surgical treatments on the journey to knee replacement in patients with knee osteoarthritis: a 10-year population-based case–control study. RMD Open, 9(3), Article e003422. https://doi.org/10.1136/rmdopen-2023-003422

Aim: To investigate temporal trends in primary care visits, physiotherapy visits, dispensed non-steroidal anti-inflammatory drugs (NSAIDs) and opioids in knee osteoarthritis (OA) patients who have and have not undergone knee replacement.

Methods:... Read More about Use of non-surgical treatments on the journey to knee replacement in patients with knee osteoarthritis: a 10-year population-based case–control study.