Table 2. Hematological parameters of young tennis players and control group. Data are means (±SD).
| Variables |
TTR (C) Group 1 |
TTR (D) Group 2 |
CON Group 3 |
| White blood cells (103 µL) |
5.4 (1.0) |
5.7 (1.1) |
5.8 (.9) |
| Thrombocytes (103 µL) |
240.1 (37.3) |
238.6 (46.6) |
235.8 (36.6) |
| Red blood cells 106 µL) |
5.0 (.2) |
4.9 (.3) |
4.9 (.4) |
| Hemoglobin (g·dL-1) |
14.5 (.9) |
14.6 (.8) |
14.4 (1.0) |
| Hematocrit (%) |
43.4 (2.2) |
43.4 (2.3) |
43.6 (2.3) |
| MCV (fl) |
86.6 (2.6) 3# |
87.9 (2.2) 3# |
88.7 (3.6) 1#,2# |
| MCH (pg) |
29.0 (1.4) |
29.5 (1.0) |
29.4 (2.5) |
| MCHC (g ×dl -1 ) |
33.5 (.2) |
33.5 (.5) |
33.0 (2.1) |
| Iron (µg ×dl -1 ) |
123.0 (44.2) |
99.7 (39.1) 3* |
145.4 (60.2) 2* |
| Ferritin (ng ×ml -1 ) |
38.5 (25.7) 3# |
33.2 (22.7) 3# |
93.2 (67.2) 1#,2# |
MCV-mean corpuscular volume, MCH-mean corpuscular hemoglobin, MCHC-mean corpuscular hemoglobin concentration, TTR(C) – tennis trained group in period March 2010; TTR(D) – tennis trained group in period September 2010; CON – control group in September 2010. Superscript# and superscript* denote p < 0.01 and p < 0.05 respectively between the groups.
