Utilisation and outcomes of allogeneic hematopoietic cell transplantation in Ontario, Canada, and New York State, USA: a population-based retrospective cohort study

Objective Allogeneic haematopoietic cell transplantation (HCT) is a potentially curative treatment for haematologic and oncologic diseases. There is a perception that the United States of America (USA) offers greater access to expensive therapies such as HCT. Alternatively, Canada is thought to suff...

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Main Authors: Michael Paterson, John Matelski, Peter Cram, Samantha Aliza Hershenfeld, Vicki Ling, Matthew Cheung
Format: Article
Language:English
Published: BMJ Publishing Group 2020-10-01
Series:BMJ Open
Online Access:https://bmjopen.bmj.com/content/10/10/e039293.full
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author Michael Paterson
John Matelski
Peter Cram
Samantha Aliza Hershenfeld
Vicki Ling
Matthew Cheung
author_facet Michael Paterson
John Matelski
Peter Cram
Samantha Aliza Hershenfeld
Vicki Ling
Matthew Cheung
author_sort Michael Paterson
collection DOAJ
description Objective Allogeneic haematopoietic cell transplantation (HCT) is a potentially curative treatment for haematologic and oncologic diseases. There is a perception that the United States of America (USA) offers greater access to expensive therapies such as HCT. Alternatively, Canada is thought to suffer from protracted wait times, but lower spending. Our objective was to compare HCT utilisation and short-term outcomes in Ontario (ON), Canada, and New York State (NY), USA.Design, setting and participants We conducted a population-based cohort study using administrative health data to identify all residents of ON and NY who underwent allogeneic HCT between 2012 and 2015.Primary and secondary outcome measures The primary outcome measures were age and sex standardised HCT utilisation rates, in-hospital mortality, hospital length of stay (LOS) and readmission rates in ON and NY. Secondary outcomes included comparing ON and NY HCT recipients with respect to demographic characteristics and patient wealth (using neighbourhood income quintile).Results We identified 547 HCT procedures in ON and 1361 HCT procedures performed in NY. HCT recipients in ON were younger than NY (mean age 49.0 vs 51.6 years; p<0.001) and a lower percentage of ON recipients resided in affluent neighbourhoods compared with NY (47.2% vs 52.6%; p=0.026). Utilisation of HCT was 14.4 per 1 million population per year in ON and 26.7 per 1 million per year in NY (p<0.001). The magnitude of the ON–NY difference in utilisation was larger for older patients. In-hospital mortality, LOS and readmission rates were lower in ON than NY in both unadjusted and adjusted analyses.Conclusions We found significantly lower utilisation of HCT in ON compared with NY, particularly among older patients. Higher in-hospital mortality in NY relative to ON requires further study. These differences are thought provoking for patients, healthcare providers and policy-makers in both jurisdictions.
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spelling doaj-art-29cf8c4cd66846b8b6ca942e91e3c7ae2024-11-16T09:50:08ZengBMJ Publishing GroupBMJ Open2044-60552020-10-01101010.1136/bmjopen-2020-039293Utilisation and outcomes of allogeneic hematopoietic cell transplantation in Ontario, Canada, and New York State, USA: a population-based retrospective cohort studyMichael Paterson0John Matelski1Peter Cram2Samantha Aliza Hershenfeld3Vicki Ling4Matthew Cheung5research coordinator3 Biostatistics Research Unit, University of Toronto, Toronto, Ontario, Canadaprofessor of medicineFaculty of Medicine, University of Toronto, Toronto, Ontario, CanadaInstitute for Clinical Evaluative Sciences (ICES), Toronto, Ontario, CanadaFaculty of Medicine, University of Toronto, Toronto, Ontario, CanadaObjective Allogeneic haematopoietic cell transplantation (HCT) is a potentially curative treatment for haematologic and oncologic diseases. There is a perception that the United States of America (USA) offers greater access to expensive therapies such as HCT. Alternatively, Canada is thought to suffer from protracted wait times, but lower spending. Our objective was to compare HCT utilisation and short-term outcomes in Ontario (ON), Canada, and New York State (NY), USA.Design, setting and participants We conducted a population-based cohort study using administrative health data to identify all residents of ON and NY who underwent allogeneic HCT between 2012 and 2015.Primary and secondary outcome measures The primary outcome measures were age and sex standardised HCT utilisation rates, in-hospital mortality, hospital length of stay (LOS) and readmission rates in ON and NY. Secondary outcomes included comparing ON and NY HCT recipients with respect to demographic characteristics and patient wealth (using neighbourhood income quintile).Results We identified 547 HCT procedures in ON and 1361 HCT procedures performed in NY. HCT recipients in ON were younger than NY (mean age 49.0 vs 51.6 years; p<0.001) and a lower percentage of ON recipients resided in affluent neighbourhoods compared with NY (47.2% vs 52.6%; p=0.026). Utilisation of HCT was 14.4 per 1 million population per year in ON and 26.7 per 1 million per year in NY (p<0.001). The magnitude of the ON–NY difference in utilisation was larger for older patients. In-hospital mortality, LOS and readmission rates were lower in ON than NY in both unadjusted and adjusted analyses.Conclusions We found significantly lower utilisation of HCT in ON compared with NY, particularly among older patients. Higher in-hospital mortality in NY relative to ON requires further study. These differences are thought provoking for patients, healthcare providers and policy-makers in both jurisdictions.https://bmjopen.bmj.com/content/10/10/e039293.full
spellingShingle Michael Paterson
John Matelski
Peter Cram
Samantha Aliza Hershenfeld
Vicki Ling
Matthew Cheung
Utilisation and outcomes of allogeneic hematopoietic cell transplantation in Ontario, Canada, and New York State, USA: a population-based retrospective cohort study
BMJ Open
title Utilisation and outcomes of allogeneic hematopoietic cell transplantation in Ontario, Canada, and New York State, USA: a population-based retrospective cohort study
title_full Utilisation and outcomes of allogeneic hematopoietic cell transplantation in Ontario, Canada, and New York State, USA: a population-based retrospective cohort study
title_fullStr Utilisation and outcomes of allogeneic hematopoietic cell transplantation in Ontario, Canada, and New York State, USA: a population-based retrospective cohort study
title_full_unstemmed Utilisation and outcomes of allogeneic hematopoietic cell transplantation in Ontario, Canada, and New York State, USA: a population-based retrospective cohort study
title_short Utilisation and outcomes of allogeneic hematopoietic cell transplantation in Ontario, Canada, and New York State, USA: a population-based retrospective cohort study
title_sort utilisation and outcomes of allogeneic hematopoietic cell transplantation in ontario canada and new york state usa a population based retrospective cohort study
url https://bmjopen.bmj.com/content/10/10/e039293.full
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