Six minute walk distance in healthy subjects aged 55-75 years

Bernadine Camarri; Peter R. Eastwood; Nola M. Cecins; Philip J. Thompson; Sue Jenkins

doi:10.1016/j.rmed.2005.08.003

Six minute walk distance in healthy subjects aged 55-75 years

Bernadine Camarri, Peter R. Eastwood, Nola M. Cecins, Philip J. Thompson, Sue Jenkins

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231 Citations (Scopus)

Abstract

Backgound: The six minute walk test (6MWT) is the most commonly used exercise test in pulmonary rehabilitation; however, the paucity of six minute walk distance (6MWD) reference values from population-based samples limits data interpretation in patients. This study was undertaken to determine 6MWD in a population-based sample of healthy subjects and to identify predictors of 6MWD in this group. Methods: Seventy Caucasian subjects (33 males) aged 55-75 years performed three tests using a standardised protocol. 6MWD was defined as the greatest distance achieved from the three tests. Other measurements included height, leg length, weight, forced expiratory volume in 1 s (FEV₁), exhaled carbon monoxide and self-reported physical activity including habitual walking. Results: The average 6MWD was 659±62 m (range 484-820 m). Males walked 59±13 m further than females (P < 0.001). Height (r = 0.54, P < 0.01), weight (r = 0.25, P < 0.05) and FEV₁ (r = 0.48, P < 0.001) were significantly correlated with 6MWD. Forwards stepwise multiple regression showed height (R² change = 0.294) and FEV₁ (R² change=0.045) to be independent predictors of 6MWD (P < 0.05), explaining 33.9% of the variance. Conclusions: 6MWD in this healthy population-based sample of males and females exceeds values previously reported. Height and FEV₁ were identified as significant independent predictors of 6MWD in this group.

Original language	English
Pages (from-to)	658-665
Number of pages	8
Journal	Respiratory Medicine
Volume	100
Issue number	4
DOIs	https://doi.org/10.1016/j.rmed.2005.08.003
Publication status	Published - Apr 2006
Externally published	Yes

Bibliographical note

Funding Information:
The authors thank the Centre for Asthma, Allergy and Respiratory Research for assistance in subject recruitment and Dr. Marie Blackmore for methodological and statistical assistance. We also thank the Physiotherapy Department at Sir Charles Gairdner Hospital for allowing us to use their facilities and each subject for their generous participation in this research. This study was funded, in part, by a Sir Charles Gairdner Hospital Research Grant and NHMRC (Australia) Grant no. 212016. Dr. Peter Eastwood was supported by a NHMRC R. Douglas Wright Fellowship (No. 294404).

Copyright:
Copyright 2008 Elsevier B.V., All rights reserved.

Keywords

Exercise test
Healthy subjects
Six minute walk distance
Six minute walk test
Walk tests

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title = "Six minute walk distance in healthy subjects aged 55-75 years",

abstract = "Backgound: The six minute walk test (6MWT) is the most commonly used exercise test in pulmonary rehabilitation; however, the paucity of six minute walk distance (6MWD) reference values from population-based samples limits data interpretation in patients. This study was undertaken to determine 6MWD in a population-based sample of healthy subjects and to identify predictors of 6MWD in this group. Methods: Seventy Caucasian subjects (33 males) aged 55-75 years performed three tests using a standardised protocol. 6MWD was defined as the greatest distance achieved from the three tests. Other measurements included height, leg length, weight, forced expiratory volume in 1 s (FEV1), exhaled carbon monoxide and self-reported physical activity including habitual walking. Results: The average 6MWD was 659±62 m (range 484-820 m). Males walked 59±13 m further than females (P < 0.001). Height (r = 0.54, P < 0.01), weight (r = 0.25, P < 0.05) and FEV1 (r = 0.48, P < 0.001) were significantly correlated with 6MWD. Forwards stepwise multiple regression showed height (R2 change = 0.294) and FEV1 (R2 change=0.045) to be independent predictors of 6MWD (P < 0.05), explaining 33.9% of the variance. Conclusions: 6MWD in this healthy population-based sample of males and females exceeds values previously reported. Height and FEV1 were identified as significant independent predictors of 6MWD in this group.",

keywords = "Exercise test, Healthy subjects, Six minute walk distance, Six minute walk test, Walk tests",

author = "Bernadine Camarri and Eastwood, {Peter R.} and Cecins, {Nola M.} and Thompson, {Philip J.} and Sue Jenkins",

note = "Funding Information: The authors thank the Centre for Asthma, Allergy and Respiratory Research for assistance in subject recruitment and Dr. Marie Blackmore for methodological and statistical assistance. We also thank the Physiotherapy Department at Sir Charles Gairdner Hospital for allowing us to use their facilities and each subject for their generous participation in this research. This study was funded, in part, by a Sir Charles Gairdner Hospital Research Grant and NHMRC (Australia) Grant no. 212016. Dr. Peter Eastwood was supported by a NHMRC R. Douglas Wright Fellowship (No. 294404). Copyright: Copyright 2008 Elsevier B.V., All rights reserved.",

year = "2006",

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doi = "10.1016/j.rmed.2005.08.003",

language = "English",

volume = "100",

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journal = "Respiratory Medicine",

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AU - Camarri, Bernadine

AU - Eastwood, Peter R.

AU - Cecins, Nola M.

AU - Thompson, Philip J.

AU - Jenkins, Sue

N1 - Funding Information: The authors thank the Centre for Asthma, Allergy and Respiratory Research for assistance in subject recruitment and Dr. Marie Blackmore for methodological and statistical assistance. We also thank the Physiotherapy Department at Sir Charles Gairdner Hospital for allowing us to use their facilities and each subject for their generous participation in this research. This study was funded, in part, by a Sir Charles Gairdner Hospital Research Grant and NHMRC (Australia) Grant no. 212016. Dr. Peter Eastwood was supported by a NHMRC R. Douglas Wright Fellowship (No. 294404). Copyright: Copyright 2008 Elsevier B.V., All rights reserved.

PY - 2006/4

Y1 - 2006/4

N2 - Backgound: The six minute walk test (6MWT) is the most commonly used exercise test in pulmonary rehabilitation; however, the paucity of six minute walk distance (6MWD) reference values from population-based samples limits data interpretation in patients. This study was undertaken to determine 6MWD in a population-based sample of healthy subjects and to identify predictors of 6MWD in this group. Methods: Seventy Caucasian subjects (33 males) aged 55-75 years performed three tests using a standardised protocol. 6MWD was defined as the greatest distance achieved from the three tests. Other measurements included height, leg length, weight, forced expiratory volume in 1 s (FEV1), exhaled carbon monoxide and self-reported physical activity including habitual walking. Results: The average 6MWD was 659±62 m (range 484-820 m). Males walked 59±13 m further than females (P < 0.001). Height (r = 0.54, P < 0.01), weight (r = 0.25, P < 0.05) and FEV1 (r = 0.48, P < 0.001) were significantly correlated with 6MWD. Forwards stepwise multiple regression showed height (R2 change = 0.294) and FEV1 (R2 change=0.045) to be independent predictors of 6MWD (P < 0.05), explaining 33.9% of the variance. Conclusions: 6MWD in this healthy population-based sample of males and females exceeds values previously reported. Height and FEV1 were identified as significant independent predictors of 6MWD in this group.

AB - Backgound: The six minute walk test (6MWT) is the most commonly used exercise test in pulmonary rehabilitation; however, the paucity of six minute walk distance (6MWD) reference values from population-based samples limits data interpretation in patients. This study was undertaken to determine 6MWD in a population-based sample of healthy subjects and to identify predictors of 6MWD in this group. Methods: Seventy Caucasian subjects (33 males) aged 55-75 years performed three tests using a standardised protocol. 6MWD was defined as the greatest distance achieved from the three tests. Other measurements included height, leg length, weight, forced expiratory volume in 1 s (FEV1), exhaled carbon monoxide and self-reported physical activity including habitual walking. Results: The average 6MWD was 659±62 m (range 484-820 m). Males walked 59±13 m further than females (P < 0.001). Height (r = 0.54, P < 0.01), weight (r = 0.25, P < 0.05) and FEV1 (r = 0.48, P < 0.001) were significantly correlated with 6MWD. Forwards stepwise multiple regression showed height (R2 change = 0.294) and FEV1 (R2 change=0.045) to be independent predictors of 6MWD (P < 0.05), explaining 33.9% of the variance. Conclusions: 6MWD in this healthy population-based sample of males and females exceeds values previously reported. Height and FEV1 were identified as significant independent predictors of 6MWD in this group.

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ER -

Six minute walk distance in healthy subjects aged 55-75 years

Abstract

Bibliographical note

Keywords

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