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Table 2 Baseline demographic and clinical characteristics and mortality by grades of frailty

From: Standard laboratory tests to identify older adults at increased risk of death

Baseline Characteristic

Grades of the FI

FI-CSHA

<0.10

0.10 to 0.22

0.23 to 0.45

>0.45

Number = 78

Number = 349

Number = 539

Number = 47

Mean age, years (±SD)

76.2 ± 6.1

80.2 ± 7.2

82.1 ± 7.1

83.3 ± 5.6

Mean FI-CSHA (±SD)

0.073 ± 0.019

0.164 ± 0.034

0.309 ± 0.062

0.500 ± 0.051

Women (%)

48.7

59.7

65.1

53.2

Institutionalized (%)

1.3

25.5

45.7

4.3

Mortality (%)

25.6

39.8

60.1

70.2

FI-LAB

<0.10

0.10 to 0.22

0.23 to 0.45

>0.45

Number = 56

Number = 255

Number = 645

Number = 57

Mean age, years (±SD)

77.8 ± 6.6

80.1 ± 7.3

81.5 ± 7.1

83.6 ± 6.8

Mean FI-LAB (±SD)

0.083 ± 0.019

0.168 ± 0.027

0.310 ± 0.063

0.503 ± 0.040

Women (%)

60.7

67.8

60.5

47.4

Institutionalized (%)

19.6

30.2

35.0

43.9

Mortality (%)

19.6

44.7

54.4

77.2

Combined FI

<0.10

0.10 to 0.22

0.23 to 0.45

>0.45

Number = 15

Number = 346

Number = 635

Number = 17

Mean age, years (±SD)

74.5 ± 4.7

79.0 ± 7.0

82.3 ± 7.0

82.6 ± 6.0

Mean combined FI (±SD)

0.080 ± 0.013

0.173 ± 0.033

0.303 ± 0.055

0.501 ± 0.039

Women (%)

53.3

58.1

64.3

41.2

Institutionalized (%)

0

19.9

42.4

5.9

Mortality (%)

6.7

33.5

61.1

88.2

  1. FI, frailty index; FI-CSHA, standard frailty index; FI-LAB, laboratory frailty index; SD, standard deviation.