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. 2022 Jan 5;10(1):e32724. doi: 10.2196/32724

Table 2.

Comparison of demographics, body composition, physical activity, physical performance, and health questionnaire scores between patients with and without physical frailty.

Variable No physical frailty (n=34) Physical frailty (n=23) P value SMDa
Age (years), mean (SD) 74.76 (5.92) 80.00 (5.82) .002 0.892
BMI (kg/m2), mean (SD) 24.42 (4.81) 24.66 (3.79) .84 0.055
Height (cm), mean (SD) 160.94 (6.37) 160.56 (7.84) .85 0.053
Weight (kg), mean (SD) 62.77 (9.72) 63.45 (9.61) .80 0.070
Body fat (%), mean (SD) 30.15 (8.55) 32.14 (7.86) .37 0.243
Visceral fat (%), mean (SD) 7.95 (3.21) 8.71 (2.72) .34 0.254
Muscle mass (%), mean (SD) 30.26 (4.20) 28.52 (3.29) .09 0.460
Resting metabolism (kcal), mean (SD) 1345.32 (110.40) 1341.29 (123.22) .90 0.034
Calf circumference, mean (SD) 35.04 (3.12) 34.31 (3.30) .41 0.228
EQ-5D-5Lb index, mean (SD) 0.84 (0.16) 0.65 (0.27) .007 0.818
SPPBc score (points), mean (SD) 11.30 (0.79) 6.44 (2.06) <.001 –3.106
SPPB score≤8, n (%) 0 (0) 23 (40) <.001
SARC-Fd score, n (%)

.01 1.002

0 22 (65) 6 (26)


1 8 (24) 7 (30)


2 2 (6) 3 (13)


3 0 (0) 4 (17)


4 2 (6) 3 (13)

Number of falls in past year, n (%)

.31 0.422

0 24 (71) 12 (52)


1-3 7 (21) 9 (39)


>3 3 (9) 2 (9)

BMDe femoral neck (g/cm3), mean (SD) 0.61 (0.06) 0.59 (0.06) .27 0.303
BMD lumbar spine (g/cm3), mean (SD) 0.85 (0.12) 0.91 (0.16) .17 0.391
Smoking, n (%)

>.99 0.005

No 31 (91) 21 (91)


Yes 3 (9) 2 (9)

Self-sustaining, n (%)

.74 0.103

No 6 (18) 5 (22)


Yes 28 (82) 18 (78)

Daily leaving apartment, n (%)

.05 0.566

No 4 (12) 8 (35)


Yes 30 (88) 15 (65)

Weekly sports activity (>3 h), n (%)

.06 0.569

No 10 (29) 13 (57)


Yes 24 (71) 10 (43)

aSMD: standardized mean difference.

bEQ-5D-5L: European Quality of Life 5-dimension questionnaire.

cSPPB: Short Physical Performance Battery.

dSARC-F: sarcopenia test (strength, assistance with walking, rising from a chair, climbing stairs, and fall).

eBMD: bone mineral density.