Table 3.
Seropositive rate of T. gondii IgM and IgG antibodies in high risk pregnant group according to age
| Age group | Group I |
Group II |
P-valuea | ||
|---|---|---|---|---|---|
| No. of subtotal | No. of positive T. gondii Abs (%) | No. of subtotal | No. of positive T. gondii Abs (%) | ||
| 18-20 | 17 | 5 (29.4) | 15 | 0 (0) | 0.02a |
| 21-25 | 41 | 25 (60.9) | 36 | 4 (11.1) | 0.005a |
| 26-30 | 22 | 14 (63.6) | 24 | 3 (12.5) | 0.001a |
| 31-35 | 27 | 12 (44.4) | 28 | 2 (7.1) | 0.007a |
| 36-40 | 10 | 4 (40) | 12 | 1 (8.3) | 0.03a |
| > 40 | 3 | 1 (33.3) | 5 | 0 (0) | 0.03a |
| Total cases | 120 | 61 (50.8) | 120 | 10 (8.3) | |
a
P-value was calculated by Z-test (test of proportion).