Quality of prescribing predicts hospitalisation in octogenarians: life and living in advanced age: a cohort study in New Zealand (LiLACS NZ)

Abstract Background Prescribing for older people is complex, and many studies have highlighted that appropriate prescribing in this cohort is not always achieved. However, the long-term effect of inappropriate prescribing on outcomes such as hospitalisation and mortality has not been demonstrated. T...

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Main Authors: Cristín Ryan, Ruth Teh, Simon Moyes, Tim Wilkinson, Martin Connolly, Anna Rolleston, Mere Kepa, Ngaire Kerse
Format: Article
Language:English
Published: BMC 2019-12-01
Series:BMC Geriatrics
Subjects:
Online Access:https://doi.org/10.1186/s12877-019-1305-x
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author Cristín Ryan
Ruth Teh
Simon Moyes
Tim Wilkinson
Martin Connolly
Anna Rolleston
Mere Kepa
Ngaire Kerse
author_facet Cristín Ryan
Ruth Teh
Simon Moyes
Tim Wilkinson
Martin Connolly
Anna Rolleston
Mere Kepa
Ngaire Kerse
author_sort Cristín Ryan
collection DOAJ
description Abstract Background Prescribing for older people is complex, and many studies have highlighted that appropriate prescribing in this cohort is not always achieved. However, the long-term effect of inappropriate prescribing on outcomes such as hospitalisation and mortality has not been demonstrated. The aim of this study was to determine the level of potentially inappropriate prescribing (PIP) for participants of the Life and Living in Advanced Age: A Cohort Study in New Zealand (LiLACS NZ) study at baseline and examine the association between PIP and hospitalisation and mortality at 12-months follow-up. Methods PIP was determined using STOPP/START. STOPP identified potentially inappropriate medicines (PIMs) prescribed, START identified potential prescribing omissions (PPOs). STOPP/START were applied to all LiLACS NZ study participants, a longitudinal study of ageing, which includes 421 Māori aged 80–90 years and 516 non-Māori aged 85 years. Participants’ details (e.g. age, sex, living arrangements, socioeconomic status, physical functioning, medical conditions) were gathered by trained interviewers. Some participants completed a core questionnaire only, which did not include medications details. Medical conditions were established from a combination of self-report, review of hospital discharge and general practitioner records. Binary logistic regression, controlled for multiple potential confounders, was conducted to determine if either PIMs or PPOs were associated with hospital admissions and mortality (p < 0.05 was considered significant). Results Full data were obtained for 267 Māori and 404 non-Māori. The mean age for Māori was 82.3(±2.6) years, and 84.6(±0.53) years for non-Māori. 247 potentially inappropriate medicines were identified, affecting 24.3% Māori and 28.0% non-Māori. PIMs were not associated with 12-month mortality or hospitalisation for either cohort (p > 0.05; adjusted models). 590 potential prescribing omissions were identified, affecting 58.1% Māori and 49.0% non-Māori. PPOs were associated with hospitalisation (p = 0.001 for Māori), but were not associated with risk of mortality (p > 0.05) for either cohort within the 12-month follow-up (adjusted models). Conclusion PPOs were more common than PIMs and were associated with an increased risk of hospitalisation for Māori. This study highlights the importance of carefully considering all indicated medicines when deciding what to prescribe. Further follow-up is necessary to determine the long-term effects of PIP on mortality and hospitalisation.
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spelling doaj.art-fa57a9a4046f40c0973a95264b5e90a82022-12-21T22:01:14ZengBMCBMC Geriatrics1471-23182019-12-0119111010.1186/s12877-019-1305-xQuality of prescribing predicts hospitalisation in octogenarians: life and living in advanced age: a cohort study in New Zealand (LiLACS NZ)Cristín Ryan0Ruth Teh1Simon Moyes2Tim Wilkinson3Martin Connolly4Anna Rolleston5Mere Kepa6Ngaire Kerse7School of Pharmacy and Pharmaceutical Sciences, Trinity College DublinDepartment of General Practice and Primary Health Care, Faculty of Medical and Health Sciences University of AucklandDepartment of General Practice and Primary Health Care, Faculty of Medical and Health Sciences University of AucklandOlder People’s Health, University of OtagoFreemasons Department of Geriatric Medicine, Faculty of Medical and Health Sciences University of AucklandTe Kupenga Haoura Māori, Faculty of Medical and Health Sciences, University of AucklandDepartment of General Practice and Primary Health Care, Faculty of Medical and Health Sciences University of AucklandDepartment of General Practice and Primary Health Care, Faculty of Medical and Health Sciences University of AucklandAbstract Background Prescribing for older people is complex, and many studies have highlighted that appropriate prescribing in this cohort is not always achieved. However, the long-term effect of inappropriate prescribing on outcomes such as hospitalisation and mortality has not been demonstrated. The aim of this study was to determine the level of potentially inappropriate prescribing (PIP) for participants of the Life and Living in Advanced Age: A Cohort Study in New Zealand (LiLACS NZ) study at baseline and examine the association between PIP and hospitalisation and mortality at 12-months follow-up. Methods PIP was determined using STOPP/START. STOPP identified potentially inappropriate medicines (PIMs) prescribed, START identified potential prescribing omissions (PPOs). STOPP/START were applied to all LiLACS NZ study participants, a longitudinal study of ageing, which includes 421 Māori aged 80–90 years and 516 non-Māori aged 85 years. Participants’ details (e.g. age, sex, living arrangements, socioeconomic status, physical functioning, medical conditions) were gathered by trained interviewers. Some participants completed a core questionnaire only, which did not include medications details. Medical conditions were established from a combination of self-report, review of hospital discharge and general practitioner records. Binary logistic regression, controlled for multiple potential confounders, was conducted to determine if either PIMs or PPOs were associated with hospital admissions and mortality (p < 0.05 was considered significant). Results Full data were obtained for 267 Māori and 404 non-Māori. The mean age for Māori was 82.3(±2.6) years, and 84.6(±0.53) years for non-Māori. 247 potentially inappropriate medicines were identified, affecting 24.3% Māori and 28.0% non-Māori. PIMs were not associated with 12-month mortality or hospitalisation for either cohort (p > 0.05; adjusted models). 590 potential prescribing omissions were identified, affecting 58.1% Māori and 49.0% non-Māori. PPOs were associated with hospitalisation (p = 0.001 for Māori), but were not associated with risk of mortality (p > 0.05) for either cohort within the 12-month follow-up (adjusted models). Conclusion PPOs were more common than PIMs and were associated with an increased risk of hospitalisation for Māori. This study highlights the importance of carefully considering all indicated medicines when deciding what to prescribe. Further follow-up is necessary to determine the long-term effects of PIP on mortality and hospitalisation.https://doi.org/10.1186/s12877-019-1305-xOlder peopleEthnicityLongitudinal studyAppropriate prescribing
spellingShingle Cristín Ryan
Ruth Teh
Simon Moyes
Tim Wilkinson
Martin Connolly
Anna Rolleston
Mere Kepa
Ngaire Kerse
Quality of prescribing predicts hospitalisation in octogenarians: life and living in advanced age: a cohort study in New Zealand (LiLACS NZ)
BMC Geriatrics
Older people
Ethnicity
Longitudinal study
Appropriate prescribing
title Quality of prescribing predicts hospitalisation in octogenarians: life and living in advanced age: a cohort study in New Zealand (LiLACS NZ)
title_full Quality of prescribing predicts hospitalisation in octogenarians: life and living in advanced age: a cohort study in New Zealand (LiLACS NZ)
title_fullStr Quality of prescribing predicts hospitalisation in octogenarians: life and living in advanced age: a cohort study in New Zealand (LiLACS NZ)
title_full_unstemmed Quality of prescribing predicts hospitalisation in octogenarians: life and living in advanced age: a cohort study in New Zealand (LiLACS NZ)
title_short Quality of prescribing predicts hospitalisation in octogenarians: life and living in advanced age: a cohort study in New Zealand (LiLACS NZ)
title_sort quality of prescribing predicts hospitalisation in octogenarians life and living in advanced age a cohort study in new zealand lilacs nz
topic Older people
Ethnicity
Longitudinal study
Appropriate prescribing
url https://doi.org/10.1186/s12877-019-1305-x
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