Table 2.

Measures of Physical Function Over Time

	Baseline		3 months		12 months
	Mean (SD)	Min–Max	Mean (SD)	Min–Max	Mean (SD)	Min–Max
Usual gait speed (m/s)	1.25 (0.22)	0.60–1.72	1.29 (0.25)	0.70–1.97	1.27 (0.25)	0.49–1.81
Rapid gait speed (m/s)	1.87 (0.39)	0.74–2.71	1.86 (0.39)	0.83–2.87	1.86 (0.41)	0.59–2.87
6-min walk distance (ft)	1717 (359)	391–2616	1813 (353)	771–2715	1823 (363)	762–2658
SF-36 physical function score	77.89 (19.12)	25–100	77.91 (22.17)	10–100	76.17 (23.26)	10–100
Time for five chair stands (s)	11.32 (3.45)	5.0–27.0	11.08 (3.37)	6.6–25.0	10.97 (4.44)	5.2–41.6

Note: SD = standard deviation.