Interpreting small differences in functional status: The six minute walk test in chronic lung disease patients

American Journal of Respiratory and Critical Care Medicine

Volumn 155, Issue 4, 1997, Pages 1278-1282

  Redelmeier, Donald A ^a   Bayoumi, Ahmed M ^b   Goldstein, Roger S ^b   Guyatt, Gordon H ^b  

^a SUNNYBROOK RESEARCH INSTITUTE   (Canada)

^b NONE

Author keywords

[No Author keywords available]

Indexed keywords

ADULT; AGED; ARTICLE; CHRONIC LUNG DISEASE; CHRONIC OBSTRUCTIVE LUNG DISEASE; EXERCISE TEST; FEMALE; FUNCTIONAL ASSESSMENT; HUMAN; MAJOR CLINICAL STUDY; MALE; PRIORITY JOURNAL; WALKING;

EID: 0030935041     PISSN: 1073449X     EISSN: None     Source Type: Journal    
DOI: 10.1164/ajrccm.155.4.9105067     Document Type: Article

References (33)

1. Burrows, B., and R. H. Earle. 1969. Course and prognosis of chronic obstructive pulmonary disease. N. Engl. J. Med. 280:397-404.
2. Fletcher, C., R. Peto, C. Tinker, and F. E. Speizer. 1976. The Natural History of Bronchitis and Emphysema. Oxford University Press, Oxford, UK.
3. Anthonisen, N. R., E. C. Wright, and J. E. Hodgkin. 1986. Prognosis in chronic obstructive pulmonary disease. Am. Rev. Respir. Dis. 133: 14-20.
4. Redline, S. 1991. The epidemiology of COPD. In N. S. Cherniack, editor. Chronic Obstructive Pulmonary Disease. W. B. Saunders, Philadelphia. 225-234.
5. Goldstein, R. S., E. H. Gort, D. Stubbing, M. A. Avendano, and G. H. Guyatt. 1994. Randomised controlled trial of respiratory rehabilitation. Lancet 344:1394-1397.
6. Redelmeier, D. A., and E. Shafir. 1995. Medical decision making in situations that offer multiple alternatives. J.A.M.A. 273:302-305.
7. Guyatt, G. H., D. Feeny, and D. Patrick. 1993. Measuring health-related quality of life. Ann. Intern. Med. 118:622-629.
8. McGavin, C. R., S. P. Gupta, and G. J. McHardy. 1976. Twelve-minute walking test for assessing disability in chronic bronchitis. B.M.J. 1:822-823.
9. Butland, R. J., J. Pang, E. R. Gross, A. A. Woodcock, and D. Geddes. 1982. Two-, six-, and twelve-minute walking tests in respiratory disease. B.M.J. 284:1607-1608.
10. Knox, A. J., J. F. Morrison, and M. F. Muers. 1988. Reproducibility of walking test results in chronic obstructive airways disease. Thorax 43:388-392.
11. Dekhuyzen, P. N. R., A. A. Kaptein, F. W. Dekker, J. P. Wagenaar, and P. J. Janssen. 1986. Twelve-minute walking test in a group of Dutch patients with chronic obstructive pulmonary disease: relationship with functional capacity. Eur. J. Resp. Dis. 146:259-264.
12. Mak, V. H. F., J. R. Bugler, C. M. Roberts, and S. G. Spiro. 1993. Effect of arterial desaturation on six minute walking distance, perceived effort, and perceived breathlessness in patients with airflow limitation. Thorax 48:33-38.
13. McGavin, C. R., M. Artvinli, H. Naoe, and G. J. McHardy. 1978. Dyspnoea, disability, and distance walked: comparison of estimates of exercise performance in respiratory disease. B.M.J. 2:241-243.
14. Riley, M., J. Parland, C. F. Stanford, and D. P. Nicholls. 1992. Oxygen consumption during corridor walk test in chronic cardiac failure. Eur. Heart J. 13:789-793.
15. Gray-Donald, K., L. Gibbons, S. H. Shapiro, and J. G. Martin. 1989. Effect of nutritional status on exercise performance in patients with chronic obstructive pulmonary disease. Am. Rev. Respir. Dis. 140: 1544-1548.
16. Bittner, V., D. H. Weiner, S. Yusuf, W. J. Rogers, K. M. McIntyre, S. I. Bangdiwala, M. W. Kronenberg, J. B. Kostis, R. M. Kohn, and M. Guillotte. 1993. Prediction of mortality and morbidity with a six-minute walk test in patients with left ventricular dysfunction. J.A.M.A. 270:1702-1707.
17. Guyatt, G. H., P. J. Thompson, L. B. Berman, M. J. Sullivan, M. Townsend, N. L. Jones, and S. O. Pugsley. 1985. How should we measure function in patients with chronic heart and lung disease? J. Chronic Dis. 38:517-524.
18. Guyatt, G. H., S. O. Pugsley, M. J. Sullivan, P. J. Thompson, L. Berman, N. L. Jones, E. L. Fallen, and D. W. Taylor. 1984. Effect of encouragement on walking test performance. Thorax 39:818-822.
19. Guyatt, G. H., M. Townsend, S. O. Pugsley, J. L. Keller, H. D. Short, D. W. Taylor, and M. T. Newhouse. 1987. Bronchodilators in chronic air-flow limitation. Am. Rev. Respir. Dis. 135:1069-1074.
20. Bartlett, F. 1932. Remembering. Lippincott; Cambridge University Press, Cambridge.
21. Redelmeier, D. A., G. H. Guyatt, and R. S. Goldstein. 1996. On the debate over methods for estimating the clinically important difference. J. Clin. Epidemiol. 11:1223-1224.
22. Redelmeier, D. A., and K. Lorig. 1993. Assessing the clinical importance of symptomatic improvements: an illustration in rheumatology. Arch. Intern Med. 153:1337-1342.
23. Redelmeier, D. A., R. S. Goldstein, S. T. Min, and R. H. Hyland. 1996. Spirometry and dyspnea in patients with COPD. Chest 109:1163-1168.
24. Guyatt, G. H., L. B. Berman, and M. Townsend. 1987. Long-term outcome after respiratory rehabilitation. Can. Med. Assoc. J. 137:1089-1095.
25. Guyatt, G. H., M. J. Sullivan, P. J. Thompson, E. L. Fallen, S. O. Pugsley, D. W. Taylor, and L. B. Berman. 1985. The six-minute walk: a new measure of exercise capacity in patients with chronic heart failure. Can. Med. Assoc. J. 132:919-923.
26. Mungall, I. P. F., and R. Hainsworth. 1979. Assessment of respiratory function in patients with chronic obstructive lung disease. Thorax 34:254-258.
27. Mathews, P. 1993. The Guinness Book of Records, 40th ed. Printer Industria Grafica SA, Barcelona. 237.
28. Johanson, N. A., M. E. Charlson, T. P. Szatrowski, and C. S. Ranawat. 1992. A self-administered hip-rating questionnaire for the assessment of outcome after total hip replacement. J. Bone Joint Surg. 74:587-597.
29. Wells, G. A., P. Tugwell, G. R. Kraag, P. R. Baker, J. Groh, and D. A. Redelmeier. 1993. Minimum important difference between patients with rheumatoid arthritis: the patient's perspective. J. Rheumatol. 20:557-560.
30. Redelmeier, D. A., G. H. Guyatt, and R. S. Goldstein. 1996. Assessing the minimal important difference in symptoms: a comparison of two techniques. J. Clin. Epidemiol. 49:1215-1219.
31. Barber B. L., N. C. Santanello, and R. S. Epstein. 1996. Impact of the global on patient perceivable change in an asthma specific QOL questionnaire. Quality of Life Research 5:117-122.
32. Hodgkin, J. E., O. J. Balchum, I. Kass I, E. M. Glaser, W. F. Miller, A. Haas, D. B. Shaw, P. Kimbel, and T. L. Petty. 1975. Chronic obstructive airway disease: current concepts in diagnosis and comprehensive care. J.A.M.A. 232:1243-1260.
33. Redelmeier, D. A., and A. Tversky. 1990. The discrepancy between medical decisions for individual patients and for groups. N. Engl. J. Med. 322:1162-1164.