Table 1 Comparison of patient background at enrollment in the intervention group and the usual care group

Age

M

76.0 ± 2.8

74.5 ± 3.0

F

76.5 ± 1.5

75.2 ± 2.5

Height (cm)

M

16.2 ± 3.9

16.5 ± 5.8

F

15.2 ± 5.5

153.4 ± 3.8

Body weight(Kg)

M

62.4 ± 6.0

63.8 ± 7.8

F

54.7 ± 9.0

53.9 ± 8.4

Muscle mass(Kg)

M

45.5 ± 4.1

36.5 ± 7.1

F

36.5 ± 7.1

34.4 ± 3.0

Body fat percentage(%)

M

25.8 ± 7.8

23.5 ± 7.0

F

33.0 ± 7.1

30.9 ± 7.8

BMI(%)

M

23.7 ± 1.9

23.5 ± 7.0

F

23.4 ± 3.2

22.7 ± 3.2

Estimated bone mass(Kg)

M

2.5 ± 0.2

2.5 ± 0.3

F

2.0 ± 0.3

2.0 ± 0.3

Body water content(%)

M

47.8 ± 6.1

46.9 ± 4.3

F

46.9 ± 4.3

48.1 ± 5.9