Table 3.

Changes in physical function outcomes within arms and between arms.

Outcome	Arm A	Arm B	P-value for difference between Arm A and Arm B
6-minute walk distance (m), mean ± SD
n	61	64
Baseline	466.5 ± 102.0	478.1 ± 92.7	0.50
Follow-up	484.9 ± 109.6	505.4 ± 113.5	0.31
Δ within group	18.5 ± 56.7	27.3 ± 68.1	0.44
P-value for Δ within group	0.01	0.002
5x sit-to-stand time (s), mean ± SD
n	58	61
Baseline	11.9 ± 3.9	11.2 ± 3.4	0.32
Follow-up	11.0 ± 5.3	9.7 ± 3.4	0.12
Δ within group	−0.9 ± 3.3	−1.5 ± 2.2	0.24
P-value for Δ within group	0.05	<0.001
Handgrip strength (kg), mean ± SD
n	61	64
Baseline	32.3 ± 11.0	33.0 ± 11.3	0.72
Follow-up	32.0 ± 10.6	32.9 ± 11.5	0.64
Δ within group	−0.3 ± 5.2	−0.1 ± 4.4	0.80
P-value for Δ within group	0.64	0.86
Arm curl test repetitions, mean ± SD
n	60	62
Baseline	20.1 ± 5.2	18.6 ± 4.9	0.11
Follow-up	21.6 ± 6.2	21.4 ± 6.4	0.85
Δ within group	1.5 ± 3.6	2.8 ± 3.8	0.06
P-value for Δ within group	0.002	<0.001
3-meter walk test time (s), mean ± SD
n	59	63
Baseline	2.8 ± .7	2.7 ± .6	0.74
Follow up	2.7 ± .8	2.6 ± .5	0.55
Δ within group	−0.1 ± .7	−0.1 ± .5	0.76
P-value for Δ within group	0.20	0.04