References
- American Thoracic Society Statement 2002 Guidelines for the six–minute walk test. American Journal of Respiratory and Critical Care Medicine 166: 111–117
- Borg GV 1982 Psychological basis of perceived exertion. Medicine and Science in Sports and Exercise 14: 377–381
- Camarri B, Eastwood PR, Cecins NM, Thompson PJ, Jenkins S. 2006 Six minute walk distance in healthy subjects aged 55–75 years. Respiratory Medicine 100: 658–665
- Casanova C, Celli BR, Barria P, Casas A, Cote C, Torres JP, Jardim J, Lopez MV, Marin JM, Montes de Oca M, Pinto-Plata V, Aguirre-Jaime A 2011 The 6-min walk distance in healthy subjects: Reference standards from seven countries. European Respiratory Journal 37: 150–156
- Casanova C, Cote C, Marin JM, Torres JP, Aguirre-Jaime A, Mendez R, Dordelly L, Celli BR 2007 The 6-min walking distance: Long-term follow up in patients with COPD. European Respiratory Journal 29: 535–540
- Enright PL, McBurnie MA, Bittner V, Russell PT, McNamara R, Arnold A, Newman AB 2003 The 6-min walking test. A quick measure of functional status in elderly adults. Chest 123: 387–398
- Enright PL, Sherril DL 1998 Reference equations for the six-minute walk in healthy adults. American Journal Respiratory Critical Care Medicine 158: 1384–1387
- Faul F, Erdfelder E, Buchner A, Lang A-G 2009 Statistical power analyses using G*Power 3.1: Tests for correlation and regression analyses. Behavior Research Methods 41: 1149–1160
- Faul F, Erdfelder E, Lang A-G, Buchner A 2007 G*Power 3: A flexible statistical power analysis program for the social, behavioral, and biomedical sciences. Behavior Research Methods 39: 175–191
- Global Initiative for Chronic Obstructive Lung Disease 2011 Global strategy for diagnosis, management, and prevention for chronic obstructive pulmonary disease. http://www.goldcopd.org/
- Gosselink R, Troosters T, Decramer M 1996 Peripheral muscle weakness contributes to exercise limitation in COPD. American Journal Respiratory Critical Care Medicine 153: 976–980
- Guyatt GH, Pugsley SO, Sullivan MJ, Thompson PJ, Berman L, Jones NL, Fallen EL, Taylor DW 1984 Effect of encouragement on walking test performance. Thorax 39: 818–822
- Pereira CA, Lemle A, Algranti A, Jansen JM, Valença LM, Nery LE, Mallozi M, Gerbase M, Dias RM, Zin WA 1996 I Consenso Brasileiro de Espirometria. Jornal de Pneumologia 22: 105–164
- Pinto-Plata VM, Cote C, Cabral H, Taylor J, Celli BR 2004 The 6-min walk distance: Change over time and value as a predictor of survival in severe COPD. European Respiratory Journal 23: 28–33
- Spruit MA, Polkey MI, Celli B, Edwards LD, Watkins ML, Pinto-Plata V, Pinto-Plata V, Vestbo J, Calverley PM, Tal-Singer R, Agusti A, Coxson HO, Lomas DA, Macnee W, Rennard S, Silverman EK, Crim CC, Yates J, Wouters EF 2012 Predicting outcomes from 6-minute walk distance in chronic obstructive pulmonary disease. Journal of American Medical Directors Association 13: 291–297
- Spruit MA, Watkins ML, Edwards LD, Vestbo J, Calverley PMA, Pinto-Plata V Celli BR, Tal-Singer R, Wouters EF 2010 Determinants of poor 6-min walking distance in patients with COPD: The ECLIPSE cohort. Respiratory Medicine 104: 849–857
- Takigawa N, Tada A, Soda R, Date H, Yamashita M, Endo S, Takahashi S, Kawata N, Shibayama T, Hamada N, Sakaguchi M, Hirano A, Kimura G, Okada C, Takahashi K 2007 Distance and oxygen desaturation in 6-min walk test predict prognosis in COPD patients. Respiratory Medicine 101: 561–567
- Troosters T, Vilaro J, Raginovich R, Casas A, Barberà JÁ, Rodriguez-Roisin R, Roca J 2002 Physiological responses to the 6-min walk test in patients with chronic obstructive pulmonary disease. European Respiratory Journal 20: 564–569
- VanItallie TB 2005 Subsyndromal depression in the elderly: Underdiagnosed and undertreated. Metabolism 54 (Suppl. 1): 39–44
- World Health Organization 2000 Obesity: Preventing and Managing the Global Epidemic. Report of WHO Consultations 2000. World Health Organization Technical Report Series 894: 5–15
- Wouters EF, Celisc MP, Breyerd MK, Ruttend EP, Graat-Verboome L, Spruit MA 2007 Co-morbid manifestations in COPD. Respiratory Medicine COPD Update 3: 135–151