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Table 2 Frailty Index score and frailty prevalence by age group

From: Prevalence and association of frailty with SARS-CoV-2 infection in older adults in Southern Switzerland—Findings from the Corona Immunitas Ticino Study

Age group (N)

Frailty Index score

Frailty prevalence (score ≥ 0.21)

Overall

Mean (SD)

Female Mean (SD)

Male

Mean (SD)

Overall

% [95% CI]

Female

% [95% CI]

Male

% [95% CI]

65–69 (N = 237)

0.11 (0.06)

0.11 (0.06)

0.11 (0.07)

6.33

[3.82, 10.50]

5.76

[2.88, 11.51]

7.14

[3.41, 14.98]

70–74 (N = 212)

0.12 (0.07)

0.12 (0.07)

0.12 (0.08)

8.02

[4.99, 12.90]

5.17

[2.32, 11.51]

11.46

[6.35, 20.69]

75–79 (N = 126)

0.13 (0.07)

0.13 (0.07)

0.13 (0.09)

10.32

[5.99, 17.77]

10.96

[5.48, 21.91]

9.43

[3.93, 22.67]

 ≥ 80 (N = 85)

0.17 (0.11)

0.19 (0.12)

0.15 (0.10)

27.06

[17.98, 40.72]

34.04

[20.86, 55.57]

18.42

[8.78, 38.64]

Total (N = 660)

0.12 (0.08)

0.12 (0.08)

0.12 (0.08)

10.30

[8.12, 13.07]

10.13

[7.37, 13.93]

10.53

[7.36, 15.06]

  1. Notes: SD: standard deviation; CI: confidence interval