Table 2.
Anthropometric characteristics and bioelectric parameters before and after oral supplementation with different concentrations of zinc.
| Control Group | Group 1 | Group 2 | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Anthropometrics | Before | After | p 1 | Before | After | p 1 | Before | After | p 1 |
| Weight (Kg) | 27.4 (3.3) |
27.2 (3.9) |
<0.001 | 22.8 (3.4) | 23.4 (3.8) |
<0.001 | 27.1 (4.4) |
28.0 (4.5) |
<0.001 |
| Height (cm) | 131.2 (6.4) |
132.6 (6.4) |
<0.001 | 123.8 (6.9) |
125.1 (7.0) |
<0.001 | 130.6 (6.8) |
132.1 (6.9) |
<0.001 |
| BMI (Kg/m²) | 15.3 (1.1) |
15.4 (1.3) |
0.141 | 14.8 (1.1) |
14.9 (1.2) |
0.334 | 15.8 (1.2) |
15.9 (1.3) |
0.053 |
| WAZ | −0.15 (0.79) |
−0.15 (0.89) |
0.980 | −0.85 (0.82) |
−0.85 (0.88) |
0.938 | −0.47 (1.08) |
−0.43 (1.07) |
0.152 |
| HAZ | 0.26 (0.98) |
0.24 (0.99) |
0.339 | −0.64 (0.82) |
−0.65 (0.80) |
0.574 | −0.39 (1.19) |
−0.37 (1.18) |
0.316 |
| BAZ | −0.47 (0.74) |
−0.46 (0.87) |
0.809 | −0.70 (0.68) |
−0.69 (0.75) |
0.970 | −0.27 (0.75) |
−0.24 (0.75) |
0.500 |
| Bioelectrical | Before | After | p1 | Before | After | p1 | Before | After | p1 |
| R (Ω) | 772.8 (41.3) |
777.7 (50.7) | 0.559 | 806.7 (65.1) |
800.0 (71.6) | 0.370 | 748.3 (91.1) |
747.2 (101.6) |
0.835 |
| R/H (Ω/cm) | 590.1 (41.7) |
588.3 (56.5) |
0.782 | 654.4 (73.3) |
642.9 (83.7) |
0.079 | 576.0 (87.8) |
568.6 (93.0) |
0.089 |
| Xc (Ω) | 71.0 (7.7) |
71.9 (9.3) |
0.579 | 75.0 (8.6) |
75.0 (6.6) |
0.955 | 67.9 (6.2) |
70.0 (7.5) |
0.036 |
| Xc/H (Ω/cm) | 54.3 (7.2) | 54.5 (9.0) |
0.863 | 60.8 (7.9) | 60.3 (7.9) |
0.737 | 52.2 (6.4) | 53.3 (7.3) |
0.163 |
| PA (Ω) | 5.28 (0.68) |
5.30 (0.58) |
0.882 | 5.34 (0.61) |
5.40 (0.49) |
0.537 | 5.25 (0.64) |
5.43 (0.68) |
0.002 |
| FFM (%) | 79.8 (2.8) |
79.2 (3.3) |
0.065 | 78.7 (4.2) |
78.9 (4.2) |
0.478 | 78.8 (3.7) |
78.7 (3.2) |
0.558 |
WAZ, weight-for-age Z-score; HAZ, height-for-age Z-score; BAZ, Body mass index-for-age Z-score; R, resistance; Xc, reactance; H, height; FFM, Fat-free mass. Variables are presented as mean (standard deviation). ¹ Student’s t-test.