Death trends for 2010 - 2022 for members of a large private medical scheme in South Africa

Background. In the absence of more recent national data on underlying causes of death in South Africa (SA), we examined mortality trends from 2010 to 2022 among members of a large private medical scheme. This analysis sheds light on the health profile of this specific demographic. Objective. To...

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Main Authors: L Steenkamp, S Collie, T A Moultrie, H Moultrie, G Gray
Format: Article
Language:English
Published: South African Medical Association 2024-07-01
Series:South African Medical Journal
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Online Access:https://samajournals.co.za/index.php/samj/article/view/1597
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author L Steenkamp
S Collie
T A Moultrie
H Moultrie
G Gray
author_facet L Steenkamp
S Collie
T A Moultrie
H Moultrie
G Gray
author_sort L Steenkamp
collection DOAJ
description Background. In the absence of more recent national data on underlying causes of death in South Africa (SA), we examined mortality trends from 2010 to 2022 among members of a large private medical scheme. This analysis sheds light on the health profile of this specific demographic. Objective. To investigate trends in Discovery Health Medical Scheme (DHMS) members’ death rates and underlying cause of death patterns between 2010 and 2022. Methods. All-cause deaths were compared across years accounting for demographic changes, by analysing age- and sex-standardised rates using 2019 age and sex population weightings. We used underlying cause-of-death data from death notifications. Results. The 2019 age- and sex-standardised death rate was lower than the 2010 rate by 10%, with a steady decline experienced between 2010 and 2019. We have seen reduced age- and sex-standardised death rates from HIV/AIDS during this period, and despite the high prevalence, reduced age- and sex-standardised death rates from non-communicable diseases. Malignant neoplasms and cardiovascular disease have been and remained the two leading causes of death for Discovery Health Medical Scheme (DHMS) clients between 2012 and 2022. Age- and sex- standardised death rates, however, reached historic high levels during the first 2 years of the COVID-19 pandemic in SA. In 2020, overall age- and sex-standardised death rates for DHMS members increased to 542 deaths per 100 000 life years, which was higher than pre-pandemic levels. Age- and sex-standardised death rates went on to reach their highest level in the history of the scheme in 2021, at 767 deaths per 100 000 life years. Age- and sex-standardised death rates, however, had returned to near 2019 (pre-pandemic) levels by 2022, at 477 deaths per 100 000 life years. Males experienced a higher increase in age-standardised death rates during 2020 and remained at an increased risk of death in 2022 compared with pre-pandemic levels. When COVID-19 -related deaths are excluded, the age-standardised rates for both females and males in 2022 was lower than observed in the pre-pandemic years. While the low mortality experience could be related to competing causes and mortality displacement, further analysis over a longer period is needed to confirm this. Conclusion. DHMS experienced the highest level of age- and sex-standardised death rates during 2020 and 2021, the initial 2 years of the COVID-19 pandemic. Most of this increase was explained by COVID-19 deaths.
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spelling doaj-art-4ac41290f54743ddb53b432ac51a7f822025-02-10T12:25:52ZengSouth African Medical AssociationSouth African Medical Journal0256-95742078-51352024-07-01114710.7196/SAMJ.2024.v114i7.1597Death trends for 2010 - 2022 for members of a large private medical scheme in South AfricaL Steenkamp0S Collie1T A Moultrie2https://orcid.org/0000-0003-1949-535XH Moultrie3G Gray4https://orcid.org/0000-0003-4649-1477Data Science Unit, Discovery Health, Johannesburg, South AfricaData Science Unit, Discovery Health, Johannesburg, South AfricaCentre for Actuarial Research, Faculty of Commerce, University of Cape Town, South AfricaCentre for Tuberculosis, National Institute for Communicable Diseases of the National Health Laboratory Service, Johannesburg, South AfricaSouth African Medical Research Council, Johannesburg, South Africa Background. In the absence of more recent national data on underlying causes of death in South Africa (SA), we examined mortality trends from 2010 to 2022 among members of a large private medical scheme. This analysis sheds light on the health profile of this specific demographic. Objective. To investigate trends in Discovery Health Medical Scheme (DHMS) members’ death rates and underlying cause of death patterns between 2010 and 2022. Methods. All-cause deaths were compared across years accounting for demographic changes, by analysing age- and sex-standardised rates using 2019 age and sex population weightings. We used underlying cause-of-death data from death notifications. Results. The 2019 age- and sex-standardised death rate was lower than the 2010 rate by 10%, with a steady decline experienced between 2010 and 2019. We have seen reduced age- and sex-standardised death rates from HIV/AIDS during this period, and despite the high prevalence, reduced age- and sex-standardised death rates from non-communicable diseases. Malignant neoplasms and cardiovascular disease have been and remained the two leading causes of death for Discovery Health Medical Scheme (DHMS) clients between 2012 and 2022. Age- and sex- standardised death rates, however, reached historic high levels during the first 2 years of the COVID-19 pandemic in SA. In 2020, overall age- and sex-standardised death rates for DHMS members increased to 542 deaths per 100 000 life years, which was higher than pre-pandemic levels. Age- and sex-standardised death rates went on to reach their highest level in the history of the scheme in 2021, at 767 deaths per 100 000 life years. Age- and sex-standardised death rates, however, had returned to near 2019 (pre-pandemic) levels by 2022, at 477 deaths per 100 000 life years. Males experienced a higher increase in age-standardised death rates during 2020 and remained at an increased risk of death in 2022 compared with pre-pandemic levels. When COVID-19 -related deaths are excluded, the age-standardised rates for both females and males in 2022 was lower than observed in the pre-pandemic years. While the low mortality experience could be related to competing causes and mortality displacement, further analysis over a longer period is needed to confirm this. Conclusion. DHMS experienced the highest level of age- and sex-standardised death rates during 2020 and 2021, the initial 2 years of the COVID-19 pandemic. Most of this increase was explained by COVID-19 deaths. https://samajournals.co.za/index.php/samj/article/view/1597causes of deathDeathStandardised mortality ratesCOVID-19South Africa
spellingShingle L Steenkamp
S Collie
T A Moultrie
H Moultrie
G Gray
Death trends for 2010 - 2022 for members of a large private medical scheme in South Africa
South African Medical Journal
causes of death
Death
Standardised mortality rates
COVID-19
South Africa
title Death trends for 2010 - 2022 for members of a large private medical scheme in South Africa
title_full Death trends for 2010 - 2022 for members of a large private medical scheme in South Africa
title_fullStr Death trends for 2010 - 2022 for members of a large private medical scheme in South Africa
title_full_unstemmed Death trends for 2010 - 2022 for members of a large private medical scheme in South Africa
title_short Death trends for 2010 - 2022 for members of a large private medical scheme in South Africa
title_sort death trends for 2010 2022 for members of a large private medical scheme in south africa
topic causes of death
Death
Standardised mortality rates
COVID-19
South Africa
url https://samajournals.co.za/index.php/samj/article/view/1597
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