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Article: Prevalence of malnutrition and risk factors in geriatric patients of a convalescent and rehabilitation hospital

TitlePrevalence of malnutrition and risk factors in geriatric patients of a convalescent and rehabilitation hospital
Authors
KeywordsAged
Geriatric assessment
Nutrition assessment
Nutritional status
Risk factors
Issue Date2005
PublisherHong Kong Medical Association. The Journal's web site is located at http://www.hkmj.org/resources/supp.html
Citation
Hong Kong Medical Journal, 2005, v. 11 n. 4, p. 234-242 How to Cite?
AbstractObjectives. To investigate the prevalence and risk factors of malnutrition in geriatric patients admitted to a convalescent and rehabilitation hospital. Design. Cross-sectional study. Setting. Regional hospital, Hong Kong. Patients. A total of 120 patients (aged 60 years or older) referred to Tung Wah Eastern Hospital. Main outcome measures. Anthropometric, biochemical, and haematological parameters were measured for nutritional assessment. Malnutrition was defined as a body mass index of lower than 18.5 kg/m2 and serum albumin level of lower than 35 g/L. The clinical outcomes of patients were also recorded. The predictive value of the Chinese Mini Nutritional Assessment as a nutritional screening tool was assessed. Potential risk factors associated with malnutrition were evaluated according to established protocols. Results. The mean age of patients was 80.3 years (standard deviation, 7.4 years), and the mean body mass index was 21.9 kg/m2 (standard deviation, 4.4 kg/m2). The prevalence of malnutrition was 16.7%. The age distribution of malnourished patients (mean, 86.2 years; standard deviation, 7.0 years; n=20) was significantly different to those nourished (mean, 79.1 years; standard deviation, 6.9 years; n=100) [P=0.0001]. Mortality was also higher in malnourished patients (25%) than nourished patients (4%) [P=0.001]. Based on the Chinese Mini Nutritional Assessment, 16.9% of patients were classified as malnourished (cut-off value, 18.5). The Chinese Mini Nutritional Assessment was useful as a screening tool to exclude patients who were not malnourished, ie it had a high negative predictive value (95%). Being totally dependent for the performance of activities of daily living, living in a home for the elderly, and being chair- or bed-bound posed a significantly increased risk of malnutrition. The presence of mental depression (geriatric depression scale score of 8 or higher), moderately or severely impaired cognitive function (abbreviated mental test score of lower than 7), or polypharmacy (five medications or more) did not significantly affect risk of malnutrition. Conclusions. Malnutrition was common in the geriatric patients studied and was associated with an increased mortality. The Chinese Mini Nutritional Assessment was a useful screening tool to exclude malnutrition. Significant risk factors of malnutrition were total dependence, living in a home for the elderly, and being chair- or bed-bound.
Persistent Identifierhttp://hdl.handle.net/10722/44544
ISSN
2015 Impact Factor: 0.887
2015 SCImago Journal Rankings: 0.279
References

 

DC FieldValueLanguage
dc.contributor.authorShum, NCen_HK
dc.contributor.authorHui, WWHen_HK
dc.contributor.authorChu, FCSen_HK
dc.contributor.authorChai, Jen_HK
dc.contributor.authorChow, TWen_HK
dc.date.accessioned2007-10-30T06:03:50Z-
dc.date.available2007-10-30T06:03:50Z-
dc.date.issued2005en_HK
dc.identifier.citationHong Kong Medical Journal, 2005, v. 11 n. 4, p. 234-242en_HK
dc.identifier.issn1024-2708en_HK
dc.identifier.urihttp://hdl.handle.net/10722/44544-
dc.description.abstractObjectives. To investigate the prevalence and risk factors of malnutrition in geriatric patients admitted to a convalescent and rehabilitation hospital. Design. Cross-sectional study. Setting. Regional hospital, Hong Kong. Patients. A total of 120 patients (aged 60 years or older) referred to Tung Wah Eastern Hospital. Main outcome measures. Anthropometric, biochemical, and haematological parameters were measured for nutritional assessment. Malnutrition was defined as a body mass index of lower than 18.5 kg/m2 and serum albumin level of lower than 35 g/L. The clinical outcomes of patients were also recorded. The predictive value of the Chinese Mini Nutritional Assessment as a nutritional screening tool was assessed. Potential risk factors associated with malnutrition were evaluated according to established protocols. Results. The mean age of patients was 80.3 years (standard deviation, 7.4 years), and the mean body mass index was 21.9 kg/m2 (standard deviation, 4.4 kg/m2). The prevalence of malnutrition was 16.7%. The age distribution of malnourished patients (mean, 86.2 years; standard deviation, 7.0 years; n=20) was significantly different to those nourished (mean, 79.1 years; standard deviation, 6.9 years; n=100) [P=0.0001]. Mortality was also higher in malnourished patients (25%) than nourished patients (4%) [P=0.001]. Based on the Chinese Mini Nutritional Assessment, 16.9% of patients were classified as malnourished (cut-off value, 18.5). The Chinese Mini Nutritional Assessment was useful as a screening tool to exclude patients who were not malnourished, ie it had a high negative predictive value (95%). Being totally dependent for the performance of activities of daily living, living in a home for the elderly, and being chair- or bed-bound posed a significantly increased risk of malnutrition. The presence of mental depression (geriatric depression scale score of 8 or higher), moderately or severely impaired cognitive function (abbreviated mental test score of lower than 7), or polypharmacy (five medications or more) did not significantly affect risk of malnutrition. Conclusions. Malnutrition was common in the geriatric patients studied and was associated with an increased mortality. The Chinese Mini Nutritional Assessment was a useful screening tool to exclude malnutrition. Significant risk factors of malnutrition were total dependence, living in a home for the elderly, and being chair- or bed-bound.en_HK
dc.format.extent499719 bytes-
dc.format.extent2042 bytes-
dc.format.mimetypeapplication/pdf-
dc.format.mimetypetext/plain-
dc.languageengen_HK
dc.publisherHong Kong Medical Association. The Journal's web site is located at http://www.hkmj.org/resources/supp.htmlen_HK
dc.relation.ispartofHong Kong Medical Journalen_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.subjectAgeden_HK
dc.subjectGeriatric assessmenten_HK
dc.subjectNutrition assessmenten_HK
dc.subjectNutritional statusen_HK
dc.subjectRisk factorsen_HK
dc.subject.meshMalnutrition - complications - epidemiologyen_HK
dc.subject.meshNutritional Statusen_HK
dc.subject.meshInpatients - statistics & numerical dataen_HK
dc.subject.meshMemory Disorders - complicationsen_HK
dc.subject.meshRehabilitation Centers - statistics & numerical dataen_HK
dc.titlePrevalence of malnutrition and risk factors in geriatric patients of a convalescent and rehabilitation hospitalen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1024-2708&volume=11&issue=4&spage=234&epage=242&date=2005&atitle=Prevalence+of+malnutrition+and+risk+factors+in+geriatric+patients+of+a+convalescent+and+rehabilitation+hospitalen_HK
dc.identifier.emailChu, FCS: cschu@hkucc.hku.hken_HK
dc.identifier.emailChow, TW: twchow@hku.hken_HK
dc.identifier.authorityChu, FCS=rp00035en_HK
dc.identifier.authorityChow, TW=rp00009en_HK
dc.description.naturepublished_or_final_versionen_HK
dc.identifier.pmid16085939-
dc.identifier.scopuseid_2-s2.0-23844517717en_HK
dc.identifier.hkuros102884-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-23844517717&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume11en_HK
dc.identifier.issue4en_HK
dc.identifier.spage234en_HK
dc.identifier.epage242en_HK
dc.publisher.placeHong Kongen_HK
dc.identifier.scopusauthoridShum, NC=8658030600en_HK
dc.identifier.scopusauthoridHui, WWH=8658030200en_HK
dc.identifier.scopusauthoridChu, FCS=7201881096en_HK
dc.identifier.scopusauthoridChai, J=7202678911en_HK
dc.identifier.scopusauthoridChow, TW=7203012369en_HK

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