Nathaniel Jembere
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View article: EP184/#40 Defining the longitudinal risk of CIN3+ in patients with less than CIN2 colposcopy following index high grade cytology
EP184/#40 Defining the longitudinal risk of CIN3+ in patients with less than CIN2 colposcopy following index high grade cytology Open
Objectives To determine the baseline and cumulative risk of CIN3 and invasive cervical cancer in patients with Methods By linking administrative databases including cytology, pathology, cancer registries and physician billing history, a po…
View article: Delivery of Cancer Care in Ontario, Canada, During the First Year of the COVID-19 Pandemic
Delivery of Cancer Care in Ontario, Canada, During the First Year of the COVID-19 Pandemic Open
In this population-based cohort study in Ontario, Canada, large reductions in cancer service volumes were observed. While most services recovered to prepandemic levels at the end of the first pandemic year, a substantial care deficit likel…
View article: Measuring the impact of the COVID-19 pandemic on organized cancer screening and diagnostic follow-up care in Ontario, Canada: A provincial, population-based study
Measuring the impact of the COVID-19 pandemic on organized cancer screening and diagnostic follow-up care in Ontario, Canada: A provincial, population-based study Open
View article: The impact of the COVID‐19 pandemic on the Ontario Cervical Screening Program, colposcopy and treatment services in Ontario, Canada: a population‐based study
The impact of the COVID‐19 pandemic on the Ontario Cervical Screening Program, colposcopy and treatment services in Ontario, Canada: a population‐based study Open
Objective To describe the immediate impact of the COVID‐19 pandemic on cervical screening, colposcopy and treatment volumes in Ontario, Canada. Design Population‐based retrospective observational study. Setting Ontario, Canada. Population …
View article: Estimating the Backlog of Colonoscopy due to Coronavirus Disease 2019 and Comparing Strategies to Recover in Ontario, Canada
Estimating the Backlog of Colonoscopy due to Coronavirus Disease 2019 and Comparing Strategies to Recover in Ontario, Canada Open
View article: Estimates and predictors of health care costs of esophageal adenocarcinoma: a population-based cohort study
Estimates and predictors of health care costs of esophageal adenocarcinoma: a population-based cohort study Open
View article: Additional file 7: of Estimates and predictors of health care costs of esophageal adenocarcinoma: a population-based cohort study
Additional file 7: of Estimates and predictors of health care costs of esophageal adenocarcinoma: a population-based cohort study Open
Figure S4a-d. Overall and phase of care net cost of health care resources by treatment type for esophageal adenocarcinoma, 2003â 2011: (a) Overall; (b) Initial Phase; (c) Continuing Care Phase; and (d) Terminal Phase. (JPG 80 kb)
View article: Effects of socioeconomic status on esophageal adenocarcinoma stage at diagnosis, receipt of treatment, and survival: A population-based cohort study
Effects of socioeconomic status on esophageal adenocarcinoma stage at diagnosis, receipt of treatment, and survival: A population-based cohort study Open
The incidence of esophageal adenocarcinoma (EAC) is increasing worldwide and has overtaken squamous histology in occurrence. We studied the impact of socioeconomic status (SES) on EAC stage at diagnosis, receipt of treatment, and survival.…
View article: Cost-effectiveness analysis of treatment with non-curative or palliative intent for hepatocellular carcinoma in the real-world setting
Cost-effectiveness analysis of treatment with non-curative or palliative intent for hepatocellular carcinoma in the real-world setting Open
Hepatocellular carcinoma (HCC) presentation is heterogeneous necessitating a variety of therapeutic interventions with varying efficacies and associated prognoses. Poor prognostic patients often undergo non-curative palliative intervention…
View article: A cross-sectional population-based study of breast cancer screening among women with HIV in Ontario, Canada
A cross-sectional population-based study of breast cancer screening among women with HIV in Ontario, Canada Open
Women with HIV are less likely to undergo breast cancer screening mammography than women without HIV. Addressing this disparity requires optimizing care delivery to ensure adequate provision of comprehensive primary care to people with HIV.
View article: Using physician billing claims from the Ontario Health Insurance Plan to determine individual influenza vaccination status: an updated validation study
Using physician billing claims from the Ontario Health Insurance Plan to determine individual influenza vaccination status: an updated validation study Open
Although administrative data have limitations for determining influenza vaccination status, owing to the high positive predictive value, they are well suited for self-controlled study designs that are often used to assess vaccine safety. F…
View article: Propensity score matching and complex surveys
Propensity score matching and complex surveys Open
Researchers are increasingly using complex population-based sample surveys to estimate the effects of treatments, exposures and interventions. In such analyses, statistical methods are essential to minimize the effect of confounding due to…
View article: Use of Mental Health Services by Youths and Young Adults Before and During Correctional Custody: A Population-Based Study
Use of Mental Health Services by Youths and Young Adults Before and During Correctional Custody: A Population-Based Study Open
For one-third of young people with a mental health visit while incarcerated, the visit was the first mental health contact in at least five years. Yet high use of psychiatric services before entering custody among individuals with schizoph…
View article: Comparing stage of diagnosis of cervical cancer at presentation in immigrant women and long-term residents of Ontario: a retrospective cohort study
Comparing stage of diagnosis of cervical cancer at presentation in immigrant women and long-term residents of Ontario: a retrospective cohort study Open
Our results show that being an immigrant is not associated with late-stage diagnosis of cervical cancer in Ontario. Programs broadly aimed at immigrants may require a targeted approach to address higher-risk subgroups.
View article: Identification of the physician workforce providing palliative care in Ontario using administrative claims data
Identification of the physician workforce providing palliative care in Ontario using administrative claims data Open
Our algorithm readily identified and quantified the workforce of palliative care physicians in Ontario. Such a tool has numerous applications for both health service planners and researchers.
View article: Osteoporosis management and fractures in the Métis of Ontario, Canada
Osteoporosis management and fractures in the Métis of Ontario, Canada Open
View article: A population-based study of the extent of colorectal cancer screening in men with HIV
A population-based study of the extent of colorectal cancer screening in men with HIV Open
As with the general population of men aged 50 to 65 years, less than half of the population of men with HIV received colorectal cancer screening. Strategies are required to improve uptake of this intervention.