Pulmonology

6-Minute Walk Test (Predicted 6MWD)

Calculates predicted 6-minute walk distance (6MWD) and % predicted.

Parameters

years

6-Minute Walk Test (Predicted 6MWD) Result

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FormulaMen: Predicted 6MWD = (7.57 × Height) - (5.02 × Age) - (1.76 × Weight) - 309 meters [LLN = Pred - 153m] Women: Predicted 6MWD = (2.11 × Height) - (2.29 × Weight) - (5.78 × Age) + 667 meters [LLN = Pred - 139m]

Clinical Pearls

The benchmark submaximal exercise test used to assess functional status, monitor disease progression, and evaluate therapy response in cardiopulmonary diseases.

Limitations

Test should follow standard ATS protocol (flat 30-meter indoor hallway with standardized encouragement); orthopedic issues can confound results.