Table 2.

Mean age, median, range, normal distribution, IgG anti-T. gondii antibodies concentrations according to Nested PCR Positive and Negative in male and female healthy blood donors.

Values	Nested PCR (N = 353)
	Positive (n = 38)		Negative (n = 315)
	Male (n = 31)	Female (n = 7)	Male (n = 221)	Female (n = 94)
Mean age ± SD	37.7 ± 11.2	38.7 ± 11.9	37.9 ± 10.9	35.0 ± 10.5
Median	38	33	37	34
Range	19–60	23–52	18–65	18–59
25th Percentile (range)	28 (19–37)	23 (23–32)	28 (18–36)	27 (18–33)
75th Percentile (range)	47 (39–60)	51 (50–52)	46 (38–65)	43 (34–59)
Normal distribution	Yes	Yes	Yes	No
IgG+
IgG ± SD (UI/mL)	196.0 ± 35.2	165.6 ± 62.7	204.0 ± 33.2	196.6 ± 39.5
Median	205.6	186.8	208.3	205.9
Range	66.1–232.1	36.1–222.8	21.4–257.3	55.2–244.7
25th Percentile (range)	171.9 (66.1–202.1)	145.1 (36.1–168.9)	180.1 (21.4–208.2)	169.6 (55.2–205.8)
75th Percentile (range)	219.5 (206.0–232.1)	212.5 (186.9–222.8)	227.9 (208.4–257.3)	223.6 (205.9–244.7)
Normal distribution	No	Yes	No	No

OBS: Male-PCR+ vs. Male-PCR–: p = 0.2252 (Mann–Whitney U′ = 3,887.0); Female-PCR+ vs. Female-PCR–: p = 0.0960 (Mann–Whitney U′ = 454.00); Male-PCR+ vs. Female-PCR+: p = 0.1065 (Mann–Whitney U′ = 152.00); Male-PCR– vs. Female-PCR–: p = 0.2486 (Mann–Whitney U′ = 11,241.00).