Extracellular water ratio and segment less mass for body composition alteration based on lower-limb amputation type
| Amputation (n=20) | No amputation (n=22) | Kruskal-Wallis test P-value | |||
|---|---|---|---|---|---|
| Left (n=6) | Right (n=10) | Both (n=4) | |||
| ECW ratio | |||||
| Whole-body | 0.417 (0.392~0.431) | 0.403 (0.393~0.416) | 0.415 (0.407~0.426) |
0.401 (0.391~0.415) | 0.013* |
| Right arm | 0.389 (0.374~0.390) | 0.382 (0.377~0.392) | 0.388 (0.379~0.406) | 0.385 (0.376~0.401) | 0.737 |
| Left arm | 0.389 (0.374~0.392) | 0.382 (0.373~0.392) | 0.391 (0.383~0.397) | 0.385 (0.377~0.394) | 0.317 |
| Trunk | 0.412 (0.390~0.420) | 0.400 (0.390~0.420) | 0.412 (0.400~0.420) | 0.400 (0.390~0.420) | 0.050* |
| Right leg | 0.407 (0.374~0.436) | 0.420 (0.398~0.427) |
0.421 (0.411~0.428) | 0.404 (0.389~0.424) | 0.009* |
| Left leg | 0.427 (0.418~0.452) |
0.402 (0.385~0.428) | 0.425 (0.411~0.440) |
0.406 (0.395~0.426) | 0.001* |
| Segmental lean body mass (Kg) | |||||
| Right arm | 0.77 (0.64~2.23) | 1.99 (0.92~2.64) | 0.83 (0.61~1.38) | 1.59 (0.57~2.99) | 0.006* |
| Left arm | 0.77 (0.40~2.20) |
2.03 (0.90~2.60) | 0.77 (0.20~1.30) |
1.62 (1.00~2.50) | 0.002* |
| Trunk | 9.95 (8.10~19.00) | 17.85 (11.5~21.07) | 10.70 (6.8~14.00) |
15.10 (10.8~20.80) | 0.003* |
| Right leg | 3.95 (3.12~6.79) |
9.86 (6.45~14.29) |
6.40 (4.50~7.93) | 5.02 (3.12~7.86) | 0.001* |
| Left leg | 8.58 (1.13~13.50) | 6.43 (3.83~7.88) | 4.85 (3.74~7.49) | 4.78 (2.56~7.92) | 0.093 |
All values are median(minimum~maximum).
aDenotes significance from non-lower-limb amputation group.
bDenotes significance from right lower-limb amputation group.
cDenotes significance from both lower-limb amputation group.
ECW=extracellular water.
