Continuity of care, measurement and association with hospital admission and mortality: a registry-based longitudinal cohort study

Objective To assess whether continuity of care (COC) with a general practitioner (GP) is associated with mortality and hospital admissions for older patients We argue that the conventional continuity measure may overestimate these associations. To better reflect COC as a GP quality indicator, we pre...

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Main Authors: Øystein Hetlevik, Karin Monstad, Tor Helge Holmås
Format: Article
Language:English
Published: BMJ Publishing Group 2021-12-01
Series:BMJ Open
Online Access:https://bmjopen.bmj.com/content/11/12/e051958.full
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author Øystein Hetlevik
Karin Monstad
Tor Helge Holmås
author_facet Øystein Hetlevik
Karin Monstad
Tor Helge Holmås
author_sort Øystein Hetlevik
collection DOAJ
description Objective To assess whether continuity of care (COC) with a general practitioner (GP) is associated with mortality and hospital admissions for older patients We argue that the conventional continuity measure may overestimate these associations. To better reflect COC as a GP quality indicator, we present an alternative, service-based measure.Design Registry-based, population-level longitudinal cohort study.Setting Linked data from Norwegian administrative healthcare registries, including 3989 GPs.Participants 757 873 patients aged 60–90 years with ≥2 contacts with a GP during 2016 and 2017.Main outcome measure All-cause emergency hospital admissions, emergency admissions for ambulatory care sensitive conditions, and mortality, in 2018.Results We assessed COC using the conventional usual provider of care index (UPCpatient) and an alternative/supplementary index (UPCGP list) based on the COC for all other patients enlisted with the same preferred GP.For both indices, the mean index score was 0.78. Our model controls for demographic and socioeconomic characteristics, prior healthcare use and municipality-fixed effects. Overall, UPCGP list shows a much weaker association between COC and the outcomes. For both indices, there is a negative relationship between COC and hospital admissions. A 0.2-point increase in the index score would reduce admissions for ambulatory care sensitive conditions by 8.1% (CI 7.1% to 9.1%) versus merely 1.9% (0.2% to 3.5%) according to UPCpatient and UPCGP list, respectively. Using UPCGP list, we find that mortality is no longer associated with COC. There was greater evidence for an association between COC and all-cause admissions among patients with low education.Conclusions A continuity measure based on each patient’s contacts with own preferred GP may overestimate the importance of COC as a feature of the GP practice. An alternative, service-based measure of continuity could be suitable as a quality measure in primary healthcare. Facilitating continuity should be considered a health policy measure to reduce inequalities in health.
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spelling doaj-art-358b1ac5e7da4b8f9574e0a2f9a98df12025-08-20T02:31:19ZengBMJ Publishing GroupBMJ Open2044-60552021-12-01111210.1136/bmjopen-2021-051958Continuity of care, measurement and association with hospital admission and mortality: a registry-based longitudinal cohort studyØystein Hetlevik0Karin Monstad1Tor Helge Holmås2Partners in Health, MalawiResearch Area Social Sciences, NORCE Norwegian Research Centre AS, Bergen, Hordaland, NorwayResearch Area Social Sciences, NORCE Norwegian Research Centre AS, Bergen, Hordaland, NorwayObjective To assess whether continuity of care (COC) with a general practitioner (GP) is associated with mortality and hospital admissions for older patients We argue that the conventional continuity measure may overestimate these associations. To better reflect COC as a GP quality indicator, we present an alternative, service-based measure.Design Registry-based, population-level longitudinal cohort study.Setting Linked data from Norwegian administrative healthcare registries, including 3989 GPs.Participants 757 873 patients aged 60–90 years with ≥2 contacts with a GP during 2016 and 2017.Main outcome measure All-cause emergency hospital admissions, emergency admissions for ambulatory care sensitive conditions, and mortality, in 2018.Results We assessed COC using the conventional usual provider of care index (UPCpatient) and an alternative/supplementary index (UPCGP list) based on the COC for all other patients enlisted with the same preferred GP.For both indices, the mean index score was 0.78. Our model controls for demographic and socioeconomic characteristics, prior healthcare use and municipality-fixed effects. Overall, UPCGP list shows a much weaker association between COC and the outcomes. For both indices, there is a negative relationship between COC and hospital admissions. A 0.2-point increase in the index score would reduce admissions for ambulatory care sensitive conditions by 8.1% (CI 7.1% to 9.1%) versus merely 1.9% (0.2% to 3.5%) according to UPCpatient and UPCGP list, respectively. Using UPCGP list, we find that mortality is no longer associated with COC. There was greater evidence for an association between COC and all-cause admissions among patients with low education.Conclusions A continuity measure based on each patient’s contacts with own preferred GP may overestimate the importance of COC as a feature of the GP practice. An alternative, service-based measure of continuity could be suitable as a quality measure in primary healthcare. Facilitating continuity should be considered a health policy measure to reduce inequalities in health.https://bmjopen.bmj.com/content/11/12/e051958.full
spellingShingle Øystein Hetlevik
Karin Monstad
Tor Helge Holmås
Continuity of care, measurement and association with hospital admission and mortality: a registry-based longitudinal cohort study
BMJ Open
title Continuity of care, measurement and association with hospital admission and mortality: a registry-based longitudinal cohort study
title_full Continuity of care, measurement and association with hospital admission and mortality: a registry-based longitudinal cohort study
title_fullStr Continuity of care, measurement and association with hospital admission and mortality: a registry-based longitudinal cohort study
title_full_unstemmed Continuity of care, measurement and association with hospital admission and mortality: a registry-based longitudinal cohort study
title_short Continuity of care, measurement and association with hospital admission and mortality: a registry-based longitudinal cohort study
title_sort continuity of care measurement and association with hospital admission and mortality a registry based longitudinal cohort study
url https://bmjopen.bmj.com/content/11/12/e051958.full
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