Table 3. Descriptive and comparative statistics between groups with different body composition: classic and specific bioelectrical values.
| Classic BIVA | ||||||||
| R/H | Xc/H | |||||||
| Percentile | Mean | s.d. | Mean | s.d. | T2 | p | D | |
| FM% | 95 th | 252.5 | 25.4 | 31.8 | 3.5 | 11.7 | 0.005 | 0.75 |
| (N = 42) | 5 th | 274.7 | 43.7 | 35.3 | 5.8 | |||
| ECW/ICW | 95 th | 294.8 | 48.6 | 30.0 | 5.4 | 450.0 | 0.000 | 4.66 |
| (N = 42) | 5 th | 248.5 | 28.0 | 38.1 | 4.7 | |||
| Specific BIVA | ||||||||
| Rsp | Xcsp | |||||||
| Percentile | Mean | s.d. | Mean | s.d. | T2 | p | D | |
| FM% | 95 th | 513.7 | 52.3 | 64.8 | 8.3 | 550.5 | 0.000 | 5.15 |
| (N = 42) | 5 th | 303.8 | 23.7 | 39.2 | 5.0 | |||
| ECW/ICW | 95 th | 382.9 | 82.9 | 39.6 | 10.8 | 840.9 | 0.000 | 6.29 |
| (N = 42) | 5 th | 391.6 | 51.6 | 59.9 | 7.7 | |||
Legend: T2: Hotelling’s test; p: p value; D: Mahalanobis distance. R: resistance; Xc: reactance; Z: impedance; H: height; sp: specific; FM: fat mass; ECW: extracellular water; ICW: intracellular water.