Table 1– Results of adapted 6-min walk test in patients previously on and not on oxygen
Patients on oxygen prior to walk test#Patients not on oxygen prior to walk test
Baseline walk testOptimal O2 walk testp-valueBaseline walk testOptimal O2 walk testp-value
Distance walked m76.5±66.593.4±66.60.02135.0±108.8216.2±115.0<0.01
Sp,O2 %
Borg score
  • Data are presented as mean±sd, unless otherwise stated. Sp,O2: arterial oxygen saturation measured by pulse oximetry. #: n=41; : n=29.