PMID- 11314289
OWN - NLM
STAT- MEDLINE
DCOM- 20010913
LR  - 20220410
IS  - 0883-9212 (Print)
IS  - 0883-9212 (Linking)
VI  - 21
IP  - 2
DP  - 2001 Mar-Apr
TI  - Reference values for a multiple repetition 6-minute walk test in healthy adults 
      older than 20 years.
PG  - 87-93
AB  - PURPOSE: To (1) identify greatest 6-minute walk distance (6MWD) from among 
      several repetitions (best 6MWD) in a wide age range of healthy volunteers to 
      develop reference values for the multiple repetition 6MWD, and (2) investigate 
      the influence of demographics, anthropometrics, and habitual exercise activity on 
      best 6MWD. METHODS: Four 6MWD were performed on the same day in a 20-meter 
      corridor by 41 male and 38 female healthy volunteers ranging in age from 20 to 80 
      years. The greatest 6MWD by each subject from among four 6MWDs was the primary 
      outcome measure. RESULTS: Eighty-six percent had their best 6MWD after the first 
      walk; an average increase of 43 meters was observed from first to best 6MWD (P < 
      0.003). Best 6MWD averaged 698 +/- 96 meters and was inversely related to age (P 
      < 0.001), directly to height (P < 0.001), and was greater in men than women (P < 
      0.0002). A regression model accounted for 41% of between-subject variability in 
      best 6MWD (P < 0.00000001). In a subset of older subjects, predicted 6MWD 
      significantly underestimated measured best 6MWD when reference values were used 
      from another study where test familiarization was not provided, but this 
      difference disappeared when value were used from the present and a third study 
      where test familiarization was provided. CONCLUSIONS: The present study is the 
      first to provide predicted 6MWD values performed with multiple repetitions and 
      for subjects in the 20-40-year-old age range. Selection of appropriate predicted 
      6MWD values for interpretation of performance should be guided by subject age and 
      degree of test familiarization provided.
FAU - Gibbons, W J
AU  - Gibbons WJ
AD  - Respiratory Division, Department of Medicine, Montreal Chest Institute, Royal 
      Victoria Hospital, Montreal, Quebec, Canada.
FAU - Fruchter, N
AU  - Fruchter N
FAU - Sloan, S
AU  - Sloan S
FAU - Levy, R D
AU  - Levy RD
LA  - eng
PT  - Journal Article
PT  - Research Support, Non-U.S. Gov't
PL  - United States
TA  - J Cardiopulm Rehabil
JT  - Journal of cardiopulmonary rehabilitation
JID - 8511296
SB  - IM
MH  - Adult
MH  - Aged
MH  - Aged, 80 and over
MH  - Analysis of Variance
MH  - Exercise Test/*standards
MH  - Female
MH  - Humans
MH  - Linear Models
MH  - Male
MH  - Middle Aged
MH  - Reference Values
MH  - Walking/*physiology
EDAT- 2001/04/21 10:00
MHDA- 2001/09/14 10:01
CRDT- 2001/04/21 10:00
PHST- 2001/04/21 10:00 [pubmed]
PHST- 2001/09/14 10:01 [medline]
PHST- 2001/04/21 10:00 [entrez]
AID - 10.1097/00008483-200103000-00005 [doi]
PST - ppublish
SO  - J Cardiopulm Rehabil. 2001 Mar-Apr;21(2):87-93. doi: 
      10.1097/00008483-200103000-00005.