Table 1 Frequency distributions of anti-Toxoplasma gondii IgG in 400 serum samples collected from childbearing-age women in special age groups using ELISA
Age group (year) | Positive serum no. (%) | Negative serum no. (%) | Relative frequencies within age groups (%) |
|---|---|---|---|
ā¤ā18 | 1 (0.25) | 26 (6.5) | 1/27 (3.7) |
19ā23 | 9 (2.25) | 71 (17.8) | 9/80 (11.2) |
24ā28 | 20 (5) | 70 (17.5) | 20/90 (22.2) |
29ā33 | 31 (7.75) | 88 (22) | 31/119 (26) |
34ā38 | 12 (3) | 47 (11.8) | 12/59 (20.3) |
ā„ā39 | 8 (2) | 17 (4.25) | 8/25 (32) |
Total | 81 (20.25) | 319 (79.75) | 81/400 (20.25) |