Table 3.

Changes in characteristics and maximum walking speed between baseline and 12 months later

	Baseline	12 months later
Height (m)	1.48 ± 0.08	1.48 ± 0.09
Weight (kg)	47.0 ± 8.7	46.1 ± 8.7
Body mass index (kg/m2)	21.4 ± 3.4	21.1 ± 3.4
Maximum walking speed (m/s)	1.28 ± 0.37	1.10 ± 0.32**

**p < 0.01 compared with baseline