Table 2 Rubella antibody status in sensori-neural hearing-impaired children aged 1–4 years according to maternal history of rubella infection, Tehran, Iran
Maternal history of rubella | Seropositive n (%) | Seronegative n (%) | P-value |
|---|---|---|---|
Positive | 9 (41) | 0 (0) | |
Negative | 13 (59) | 91 (100) | 0.000 |
Total | 22 (100) | 91 (100) |