Table 3.
Preliminary correlations at baseline visit for the hospital cohort (n=66).
| Correlations | Thickness run average, r (P value) | Area run average, r (P value) | Angle run average, r (P value) |
| Age | –0.023 (.82) | 0.002 (.98) | –0.072 (.47) |
| BMI | 0.269 (.009)a,b | –0.016 (.88) | 0.167 (.09) |
| Charlson | –0.180 (.09) | –0.213 (.04)a,b | –0.018 (.85) |
| Barthel Index | 0.058 (.58) | 0.176 (.09) | 0.224 (.02)a,b |
| Lawton and Brody Index | –0.002 (.98) | –0.056 (.60) | 0.220 (.02)a,b |
| Mini Nutritional Assessment—Short Form | 0.183 (.08) | 0.036 (.74) | 0.210 (.03)a,b |
| SARC-Fc | –0.098 (.35) | –0.236 (.02)a,b | –0.158 (.11) |
| Grip strength | 0.240 (.02)a,b | 0.372 (<.001)a,b | 0.105 (.32) |
| Short Physical Performance Battery total | 0.288 (.005)a,b | 0.355 (.001)a,b | 0.197 (.04)a,b |
| Gait speed | 0.168 (.11) | 0.327 (.002)a,b | 0.241 (.01)a,b |
| Frailty phenotype (Fried et al [4]) | –0.101 (.34) | –0.211 (.04)a,b | –0.044 (.68) |
| FRAILd | –0.125 (.24) | –0.284 (.006)a,b | –0.034 (.73) |
| DXAe total muscle mass | 0.473 (<.001)b,f | 0.498 (<.001)b,f | 0.143 (.28) |
| DXA ALMg | 0.440 (<.001)b,f | 0.539 (<.001)b,f | 0.100 (.45) |
| DXA ALM/h2 | 0.529 (<.001)b,f | 0.493 (<.001)b,f | 0.115 (.38) |
| DXA total fat | 0.271 (.04)a,b | 0.29 (.83) | 0.130 (.32) |
| DXA fat percentage | 0.132 (.31) | –0.239 (.07) | 0.064 (.63) |
aSignificant weak correlations (r<0.4).
bSignificant correlations (P<.05).
cSARC-F: Strength, Assistance with walking, Rising from a chair, Climbing stairs, and Falls.
dFRAIL: short 5-question assessment of Fatigue, Resistance, Aerobic capacity, Illnesses, and Loss of weight.
eDXA: dual-energy X-ray absorptiometry.
fSignificant moderate and strong correlations (r>0.4).
gALM: appendicular lean soft tissue mass.