Table 2 Diagnostic values of age and gait parameters for screening prefrailty.

From: Screening prefrailty in Japanese community-dwelling older adults with daily gait speed and number of steps via tri-axial accelerometers

 

AUC (95% CI)

Sensitivity

Specificity

Cut-off values

Age (years)

0.558 (0.529–0.586)

56.8%

47.1%

68.5

Number of steps (steps/day)

0.593 (0.565–0.621)

62.9%

53.4%

6342.2

Daily gait speed (cm/s)

0.567 (0.539–0.595)

55.8%

54.5%

106.3

  1. AUC = Area under the curve, CI = confidence interval.
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