Table 2.
Body composition obtained with BIA of the two groups (FFG-WBVE vs. VFG-WBVE) before and after interventions.
| FFG-WBVE | VFG-WBVE | |||||
|---|---|---|---|---|---|---|
| Variables | Before a | After a | p | Before a | After a | p |
| Body mass (kg) | 90.45 (77.10;101.10) | 90.00 (78.17;101.10) | 0.55 | 83.25 (77.70;87.65) | 83.30 (77.78;85.95) | 0.12 |
| BMI (kg/m2) | 31.95 (29.07;36.08) | 32.60 (28.9;36.48) | 0.71 | 32.40 (30.80;36.52) | 33.15 (31.02;35.60) | 0.28 |
| NC (cm) | 37.50 (35.15;38.15) | 37.00 (33.50;38.75) | 0.98 | 38.15 (37.50;38.88) | 38.30 (36.80;39.00) | 0.19 |
| WC (cm) | 105.4 (102.0;113.8) | 104.75 (98.95;113.25) | 0.3 | 107.8 (105.4;110.7) | 105.5 (101.8;108.2) | 0.01 * |
| WHR | 0.96 (0.93;1.01) | 0.96 (0.93;1.03) | 0.58 | 0.99 (0.97;1.01) | 1.00 (0.97;1.01) | 0.8 |
| Total body water (kg) | 36.05 (32.95;40.65 | 36.15 (32.80;43.33) | 0.86 | 31.95 (30.60;34.91) | 32.40 (31.02;34.88) | 0.77 |
| Lean mass (kg) | 46.45 (42.12;52.30) | 46.55 (42.05;55.73) | 0.98 | 41.05 (39.30;41.05) | 41.55 (39.75;44.83) | 0.78 |
| Body fat mass (kg) | 35.25 (29.38;43.20) | 35.40 (29.18;42.10) | 0.63 | 37.50 (34.20;41.12) | 37.75 (33.08;40.95) | 0.19 |
| Bone content (kg) | 2.74 (2.54;3.05) | 2.64 (2.64;3.57) | 0.69 | 2.52 (2.34;2.72) | 2.62 (2.405;2.860) | 0.01 * |
| Fat free mass (kg) | 49.20 (44.85;55.33) | 49.30 (44.67;58.95) | 0.95 | 43.55 (41.77;47.02) | 44.00 (42.27;47.50) | 0.58 |
| Skeletal muscle mass (kg) | 27.50 (24.32;31.07) | 27.50 (24.20;33.17) | 0.94 | 23.80 (22.52;26.10) | 24.05 (22.98;26.45) | 0.53 |
| Segmental Fat Mass | ||||||
| Left arm (%) | 48.95 (43.83;54.75) | 48.15 (43.58;54.67) | 0.41 | 52.60 (52.33;53.98) | 51.80 (50.90;53;48) | 0.01 * |
| Right arm (%) | 47.90 (42.88;54.15) | 48.90 (41.05;54.67) | 0.66 | 52.30 (51.85;52.88) | 51.60 (50.55;53.00) | 0.02 * |
| Trunk (%) | 40.55 (39.48;47.02) | 41.70 (38.45;47.08) | 0.45 | 45.70 (44.83;46.77) | 44.65 (43.20;46.90) | 0.03 * |
| Left leg (%) | 40.00 (34.33;45.00) | 40.55 (33.25;46.67) | 0.62 | 43.10 (42.60;44.15) | 41.75 (38.90;44.02) | 0.08 |
| Right leg (%) | 39.55 (34.48;44.67) | 39.30 (35.15;47.25) | 1 | 43.40 (42.38;44.40) | 42.10 (38.83;43.48) | 0.08 |
| Segmental Lean Mass | ||||||
| Left arm (kg) | 2.82 (2.35;3.12) | 2.76 (2.36;2.76) | 0.66 | 2.40 (2.21;2.78) | 2.44 (2.27;2.88) | 0.22 |
| Right arm (kg) | 2.79 (2.32;3.260) | 2.76 (2.39;3.52) | 0.45 | 2.37 (2.23;2.89) | 2.42 (2.32;2.92) | 0.57 |
| Trunk (kg) | 23.10 (20.93;25.70) | 23.00 (21.20;26.82) | 0.58 | 20.10 (23.50;19.70) | 20.75 (20.12;23;55) | 0.19 |
| Left leg (kg) | 7.54 (6.38;9.29) | 7.47 (6.39;8.96) | 0.63 | 6.59 (6.24;7.12) | 6.43 (6.23;7.04) | 1 |
| Right leg (kg) | 7.58 (6.84;9.31) | 7.52 (6.80;9.08) | 0.83 | 6.61 (6.25;7.05) | 6.53 (6.22;6.96) | 0.6 |
FFG-WBVE (fixed frequency group-WBVE); BIA (bioelectral impedance analysis); VFG-WBVE (variable frequency group-WBVE); WBVE (whole-body vibration exercise); BMI (body mass index); NC (neck circumference); WC (waist circumference); WHR (waist-to-hip ratio); a-Median (1st; 3rd quartiles) * p ≤ 0.05.