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Figure 3 Rates of Mobility Loss for Participants With and Without PAD, According to Baseline Functional Performance Categories Defined for the Entire Cohort
Categories of performance: 6-min walk = Category 1 (lowest quartile):  1,001 ft; Category 2 (second quartile): 1,001 to 1,304 ft; Category 3 (third and fourth quartiles combined): >1,304 ft. 4-m walk (usual pace) = Category 1 (lowest quartile): 0.792 m/s; Category 2 (second quartile): 0.792 to 0.915 m/s; Category 3 (third and fourth quartiles combined): >0.915 m/s. 4-m walk (fast pace) = Category 1 (lowest quartile): 1.078 m/s; Category 2 (second quartile): 1.078 to 1.274 m/s; Category 3 (third and fourth quartiles combined): >1.274 m/s. Short Physical Performance Battery (0 to 12 scale, 12 = best) = Category 1: 1 to 8; Category 2: 9 to 10; Category 3: 11 to 12. PAD = peripheral arterial disease.
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