Short-Term Change in Distance Walked in 6 Min Is an Indicator of Outcome in Patients With Chronic Heart Failure in Clinical Practice
Andrea Passantino, MD*,
Rocco Lagioia, MD,
Filippo Mastropasqua, MD and
Domenico Scrutinio, MD
Division of Cardiology and Cardiac Rehabilitation, IRCCS Fondazione Salvatore Maugeri, Institute of Cassano Murge, Bari, Italy
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Figure 1 Survival according to the median value (70 m) of the increase in 6-min walking distance following drug intervention. Solid line = >70 m; dotted line = <70 m.
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Figure 2 Survival according to the median value (70 m) of the increase in distance walked following drug intervention in the two subgroups of patients who walked >340 m (A) or <340 m (B) at baseline. Solid line = >70 m; dotted line = <70 m.
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Figure 3 Estimated 1-year (solid line), 2-year (dotted line), and 3-year (dashed line) survival probability as a function of change in distance walked in 6 min, according to univariate Cox model.
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