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Table 4 Calorie restriction effects on blood cells and plasmatic markers of nutritional status

From: Calorie restriction regime enhances physical performance of trained athletes

  Pre-CR Post-CR P values
Erythrocytes (106 cells/mL) 5.12 ± 0.10 5.14 ± 0.12 0.910
Hemoglobin (g/dL) 15.1 ± 0.4 15.2 ± 0.5 0.791
Hematocrit (%) 44.9 ± 0.9 45.1 ± 1.2 0.847
Iron (μmol/L) 87.9 ± 12 104 ± 17 0.416
Transferrin (g/L) 266 ± 10 257 ± 9 * 0.032
Transferrin iron (μmol/L) 66.6 ± 2.5 64.5 ± 2.3 0.138
Transferrin saturation (%) 24.0 ± 3.4 28.8 ± 4.9 0.396
Ferritin (ng/mL) 158 ± 19 236 ± 64 0.435
Glucose (mg/dL) 84.1 ± 1.2 80.9 ± 2.4 0.250
Urea (mg/dL) 31.2 ± 4.3 35.5 ± 2.3 0.194
Uric acid (mg/dL) 5.82 ± 0.42 5.93 ± 0.33 0.672
Creatinine (mg/dL) 1.06 ± 0.06 1.04 ± 0.08 0.292
Bilirubin (mg/dL) 0.92 ± 0.17 0.94 ± 0.17 0.882
GPT (U/L) 23.6 ± 1.8 25.1 ± 3.4 0.588
GOT (U/L) 21.8 ± 2.4 20.4 ± 2.1 0.467
GGT (U/L) 24.3 ± 5.5 33.9 ± 12.4 0.253
Creatinequinase (U/L) 178 ± 33 165 ± 42 0.568
Cholesterol total (mg/dL) 184 ± 9 176 ± 10 * 0.049
HDL (mg/dL) 52.9 ± 3.1 53.2 ± 2.4 0.807
LDL (mg/dL) 110 ± 8 107 ± 10 0.488
Triglycerides (mg/dL) 99.4 ± 9.3 85.4 ± 10 * 0.043
Vitamin D (ng/mL) 21.6 ± 4.9 25.3 ± 4.9 * 0.001
MDA (μmol/106 cells) 49.8 ± 1.8 42.0 ± 1.2 * 0.026
  1. Statistical analysis: Student’s test for unpaired data. (*) Significant differences between placebo and experimental, p < 0.05