Table 3 Odds ratio (OR) and 95% confidence interval (CI) for changes in levels of frailty at follow-ups

Improved

three-month

13

(10)

1

8

(7)

0.59

(0.21-1.64)

six-month

17

(13)

1

12

(10)

0.65

(0.27-1.57)

twelve-month

22

(17)

1

12

(10)

0.46

(0.20-1.09)

Maintained

three-month

76

(58)

1

78

(66)

1.08

(0.52-2.25)

six-month

75

(57)

1

74

(63)

0.95

(0.47-1.94)

twelve-month

68

(52)

1

74

(63)

1.32

(0.67-2.62)

Decreased

three-month

11

(8)

1

14

(12)

1.40

(0.54-3.63)

six-month

8

(6)

1

14

(12)

1.92

(0.68-5.39)

twelve-month

9

(7)

1

14

(12)

1.62

(0.60-4.32)