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Table. 4.

Table. 4.

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)a 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)a 0.421 (0.411~0.428) 0.404 (0.389~0.424) 0.009*
Left leg 0.427 (0.418~0.452)b 0.402 (0.385~0.428) 0.425 (0.411~0.440)a 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)c 2.03 (0.90~2.60) 0.77 (0.20~1.30)a 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)a 15.10 (10.8~20.80) 0.003*
Right leg 3.95 (3.12~6.79)b 9.86 (6.45~14.29)a 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.

Surg Metab Nutr 2021;12:7-15 https://doi.org/10.18858/smn.2021.12.1.7
© 2021 Surg Metab Nutr