Research Article

Physical Frailty and Fall Risk in Community-Dwelling Older Adults: A Cross-Sectional Study

Table 2

Fall risk score using the physiological profile assessment compared with frailty status in older adults.

ComponentFrailty statusMean ± SD95% confidence interval value

Visual contrast sensitivity (dB)Nonfrailtya17 ± 4.2915.82, 18.18<0.001acbc
Prefrailtyb16.10 ± 5.0015.50, 16.68
Frailtyc8.44 ± 6.346.15, 10.72

Proprioception (degree)Nonfrailtya2.29 ± 0.952.02, 2.550.001ac ab
Prefrailtyb2.72 ± 1.492.54, 2.89
Frailtyc3.53 ± 1.992.81, 4.25

Knee extension strength (kg)Nonfrailtya19.07 ± 8.0716.84, 21.29<0.001ac ab bc
Prefrailtyb14.13 ± 6.3213.39, 14.87
Frailtyc7.57 ± 4.405.98, 9.16

Hand reaction time (ms)Nonfrailtya345.17 ± 94.99318.99, 371.35<0.001ac ab
Prefrailtyb395.51 ± 136.49379.51, 411.51
Frailtyc472.69 ± 228.53390.29, 555.08

Sway path (mm2)Nonfrailtya1216.24 ± 840.43984.59, 1447.89<0.001ac bc
Prefrailtyb1367.63 ± 1258.651220.10, 1515.17
Frailtyc2435.25 ± 1951.941731.50, 3139.00

PPA fall risk (Z-score)Nonfrailtya2.15 ± 1.021.87, 2.42)<0.001ac ab bc
Prefrailtyb2.70 ± 1.382.54, 2.86)
Frailtyc4.47 ± 1.653.87, 5.06)

ac: nonfrailty group compared with the frailty group; ab: nonfrailty group compared with the prefrailty group; bc: prefrailty group compared with the frailty group; PPA = physiological profile assessment.