Table 1:
General characteristics and hematologic parameters of the male participants (8–18 yr, N=240) for age different subgroups
| MALE | U10 | U12 | U14 | U16 | U18 | P-value |
|---|---|---|---|---|---|---|
| N | 32 | 67 | 71 | 42 | 28 | |
| Age(yr) | 9.24 (0.32) | 11.08 (0.58) | 13.28 (0.28) | 14.93 (0.54) | 16.78 (0.35) | 0.001 |
| Height (cm) | 131,78 (22.9) | 148,69 (22.9) | 168,08 (8.6) | 177,06 (6.87) | 182,29 (6.88) | 0.001 |
| Weight (kg) | 33,00 (6.9) | 41,93 (6.99) | 58,65 (12.3) | 65,68 (17.02) | 76,13 (9.45) | 0.001 |
| RBC (109//dl) | 4,79 (0.38) | 4,84 (0.39) | 5,08 (0.37) | 5,27 (0.36) | 5,22 (0.35) | 0.001 |
| Hb (gr/dl) | 12,95 (0.89) | 13,31 (0.9) | 14,35 (1.15) | 14,96 (0.9) | 15,25 (0.98) | 0.001 |
| HCT (%) | 40,48 (2.67) | 40,87 (2.69) | 44,02 (3.5) | 46,25 (2.83) | 46,79 (2.81) | 0.001 |
| MCV (μm3) | 84,00 (3.2) | 84,45 (3.2) | 86,75 (3.4) | 87,88 (3.5) | 89,7 (2.37) | 0.001 |
| MCH (pg) | 27,07 (1.36) | 27,62 (28.3) | 28,28 (1.5) | 28,46 (1.89) | 29,24 (1.45) | 0.001 |
| MCHC (g/dl) | 32,21 (0.95) | 32,65 (9.5) | 32,61 (1.5) | 32,39 (1.37) | 32,62 (1.37) | 0.423 |
| RDW (%) | 9,9 (0.56) | 9.67 (0.6) | 9,76 (0.48) | 9,78 (0.45) | 9,63 (0.39) | 0.174 |