Table 5.

Relationship between hydration parameters measured by bioimpedance in survivors and non survivors.

	Survivors (n = 32)	Non Survivors (n = 28)	p
TBW [L] pre-dialysis	36 ± 6.7	33 ± 5.2	0.02
ECW [L] pre-dialysis	18 ± 3.6	17 ± 2.3	0.13
ICW [L] pre-dialysis	18 ± 3.7	16 ± 3.5	0.006
TBW [L] post-dialysis	34 ± 6.0	30 ± 4.5	0.01
ECW [L] post-dialysis	16 ± 3.0	15 ± 2.2	0.14
ICW [L] post-dialysis	18 ± 3.5	15 ± 2.8	0.003
ECW/TBW pre-dialysis	0.492 ± 0.039	0.499 ± 0.049	0.07
ECW/TBW post-dialysis	0.479 ± 0.0366	0.508 ± 0.035	0.006

TBW: total body water; ECW: extracellular water; ICW: intracellular water; SD: standard deviation.