Table 3:  comparison of erythrocyte parameters and changes in plasma volume of football players between W1 (week 1) and W2 (week 5)
		W1			W2
Parameters		Before Training	After Training	p-value	Before Training	After Training	p-value
RBC (X10^12/L)		5.22  ± 0.32	5.25 ± 0.33	0.244	5.01 ± 0.31	4.90 ± 0.29#	0.004
Haemoglobin (g/dL)		14.66 ± 0.64	14.77 ± 0.68	0.285	14.08 ± 0.72*^1	13.81 ± 0.73§^1	0.003
Haematocrit (%)		41.54 ± 1.70	41.61 ± 1.84	0.760	39.82 ± 1.90*^2	39.01 ± 1.76§^2	0.009
MCV (fL)		79.82 ± 4.18	79.40 ± 4.07	0.034	79.69 ± 4.15	79.78 ± 4.04	0.740
MCH (pg)		28.17 ± 1.60	28.18 ± 1.56	0.886	28.18 ± 1.61	28.24 ± 1.57	0.339
MCHC (g/dL)		35.29 ± 0.84	35.50 ± 1.09	0.111	35.34 ± 0.83	35.39 ± 0.77	0.690
Δ in Plasma Volume	-1.870 (-3.369-1.659)				2.159¶(0.588 - 5.300)
#Statistical difference between W1 and W2 (after training) with p-value of 0.011 *^1,2Statistical difference between W1 and W2 (before training) with p-value of 0.048 and 0.029 respectively; §^1,2Statistical difference between W1 and W2 (after training) with p-value of 0.003 and 0.002 respectively; ¶Statistical difference between W1 and W2 with a p-value of 0.009; RBC refers to red blood cell; MCV refers to mean cell volume; MCH refers to mean cell haemoglobin; MCHC refers to mean cell haemoglobin concentration.  Δ refers to percentage median change in plasma volume