Table 4.
Correlation analysis between KMBI and BIA values
| BIA values | r value | p value |
|---|---|---|
| ICW | 0.24 | 0.016 |
| ECW | 0.12 | 0.258 |
| TBW | 0.19 | 0.057 |
| ECW/TBW | −0.27 | 0.009 |
| ECW/body weight | 0.08 | 0.415 |
| Protein | 0.24 | 0.019 |
| Mineral | 0.23 | 0.026 |
| Body fat mass | −0.18 | 0.072 |
| Body fat rate | −0.22 | 0.029 |
| Visceral fat area | −0.28 | 0.005 |
| Muscle mass | 0.21 | 0.044 |
| FFM | 0.21 | 0.040 |
| TBW/FFM | −0.22 | 0.031 |
| PhA | 0.40 | <0.001 |
* KMBI: Korean Modified Barthel Index, BIA: bioelectrical impedance analysis, ICW: intracellular water, ECW: extracellular water, TBW: total body water, FFM: fat-free mass, PhA: phase angle