Table 3.
Coefficients of linear regressions using the change value of respective functional capacity as dependent variable and weight loss as primary exposure factor (univariable) and age, strength difference between pre-post, and baseline level of the respective functional capacity as co-factors (multivariable).
| Physical performance | Univariable coefficient | IC95% | Effect size | P value | Multivariable coefficient | IC95% | P value |
|---|---|---|---|---|---|---|---|
| 6MWT, (m) | 0.733 | -1.56 to 3.03 | 0.01 | 0.520 | 0.790 | -1.74 to 3.32 | 0.527 |
| Gait speed normal, (m/s) | -0.001 | -0.01 to 0.01 | <0.01 | 0.765 | 0.001 | -0.01 to 0.01 | 0.700 |
| Gait speed fast, (m/s) | -0.002 | -0.01 to 0.00 | 0.01 | 0.554 | -0.001 | -0.01 to 0.01 | 0.736 |
| 5STS, (sec) | 0.064 | -0.09 to 0.21 | 0.02 | 0.391 | 0.037 | -0.09 to 0.16 | 0.535 |
| FRT, (cm) | -0.010 | -0.33 to 0.31 | <0.01 | 0.950 | 0.098 | -0.24 to 0.43 | 0.552 |
| Quadriceps strength, (N/kg) | 0.030 | 0.00 to 0.06 | 0.15 | 0.048* | 0.031 | 0.00 to 0.06 | 0.034* |
| IWQOL total score, (%) | -0.228 | -0.97 to 0.51 | 0.01 | 0.535 | -0.128 | -0.92 to 0.66 | 0.741 |
Coefficients of linear regression; concerning univariable analysis: n = 33 for the 6MWT, 5STS, FRT, IWQOL, n = 32 for the Gait speed, n = 31 for the strength; concerning multivariable analysis: n = 31; *p < 0.05.