Table 3.

Comparisons of physical performance by short physical performance battery between the DDS and control groups

	DDS (n = 32)	Control (n = 9)	P‐valuea
Balance	2.8 ± 1.2	2.0 ± 1.8	0.216
Walking speed	3.3 ± 0.9	2.9 ± 0.8	0.218
Chair stand	3.2 ± 1.2	2.7 ± 1.3	0.308
Total score	9.3 ± 2.6	7.6 ± 3.2	0.155

Data are presented as mean ± standard deviation.

DDS, 4,4′‐diamino‐diphenyl sulfone.

^aWelch's t‐test for group differences.