TABLE 3.

Average mini-mental state examination (MMSE) and gait speed performance across the three joint trajectory classes at baseline and follow-up 3

	Stable cognition and gait class (64.5%)	Physical and cognitive vulnerability class (22.2%)	Physical vulnerability class (12.4%)
MMSE, baseline	28.13 ± 1.51	23.23 ± 2.72	28.11 ± 1.61
MMSE, follow-up 3	27.27 ± 2.14	21.24 ± 3.97	27.21 ± 2.65
Gait speed (m/sec), baseline	0.98 ± 0.18	0.79 ± 0.17	0.82 ± 0.19
Gait speed (m/sec), follow-up 3	0.96 ± 0.18	0.57 ± 0.36	0.44 ± 0.32