Comparison between an indoor and an outdoor 6-minute walk test among individuals with chronic obstructive pulmonary disease1 Dina Brooks, PhD, Sherra Solway, MSc, Krisztina Weinacht, Dip(PT), David Wang, MSc, Scott Thomas, PhD Archives of Physical Medicine and Rehabilitation Volume 84, Issue 6, Pages 873-876 (June 2003) DOI: 10.1016/S0003-9993(03)00011-X
Fig 1 Total distance walked indoors and outdoors. Open circles represent individual data points. Solid squares represent mean ± SD. Archives of Physical Medicine and Rehabilitation 2003 84, 873-876DOI: (10.1016/S0003-9993(03)00011-X)
Fig 2 Comparison of change in perceived dyspnea and leg effort ratings when walking indoors and outdoors. Open circles represent individual data points. Solid squares represent mean ± SD. There are several individual points at 0 that are reflected by 1 data point only. Archives of Physical Medicine and Rehabilitation 2003 84, 873-876DOI: (10.1016/S0003-9993(03)00011-X)
Fig 3 Mean oxygen saturation and heart rate during the 6MWT when walking indoors and outdoors. Open circles represent individual data points. Solid squares represent mean ± SD. Note that the y axis does not start at zero. Archives of Physical Medicine and Rehabilitation 2003 84, 873-876DOI: (10.1016/S0003-9993(03)00011-X)