Table 1. Baseline data of 103 qualified blood donors.

Chi-square test and *Mann-Whitney U test. Data are expressed as median value (minimum-maximum).

NS: Nonsignificant difference.

	All	Male	Female	P-value
Number of subjects	103	44	59
Age (years)	31 (19-61)	32.5 (20-49)	31 (19-61)	NS*
Blood Group ABO				NS
O	44	18	26
A	30	14	16
B	22	9	13
AB	7	3	4
RH Positive/RH Negative	84/19	33/11	51/8	NS
Anti-Toxoplasma gondii antibodies				NS
IgG Negative/IgG positive	57/46	24/20	33/26
IgM Negative/IgM positive	103/0	44/0	59/0