Table 2 Baseline characteristics

Age [years]

83

79.0–87.3

67–98

Height [cm]

156.5

151–161

136–181

Weight [kg]

64

55.8–74.3

40–96

Barthel index (0–100)

57.5

50–70

15–90

SOMC (0–28)

8

5.5–11

0–25

Gait speed [m/s]

0.35

0.26–0.46

0.09–0.83

5 Chair Rise [s]

34.1

27.9–49.3

16.2–96.6

Balance [s]

23.2

19.0–31.7

0–40

Cumulative walking time [h]

0.16

0.06–0.35

0–1.22

Cumulative uptime [h]

1.67

0.97–2.34

0.04–4.39

PAIR (0–7)

1

1–2

0–5