Table 2.
Seroprevalence and median reciprocal titers against poliovirus types in the study states
| Poliovirus Type | Seroprevalence & Median Titers | Bihar N = 366 | Chhattisgarh N = 370 | Madhya Pradesh N = 377 | Total N = 1113 |
|---|---|---|---|---|---|
| Type 1 | % Seroprevalence (95% CI) | 99.2% (98.1 - 100) | 99.2% (98.7 -100) | 97.1% (94.4 - 99) | 98.5% (97.7 - 99.2) |
| Median Titers (95% CI) | 574.7 (456.1 - 574.7) | 574.7 (515.4 - 724.1) | 574.7 (456.1 - 574.7) | 574.7 (574.7 - 574.7) | |
| Type 2 | % Seroprevalence (95% CI) | 98.9% (96.9 - 99.6) | 99.2% (97.8 - 100) | 98.7% (96.4 - 100) | 98.9% (98.3 - 99.5) |
| Median Titers (95% CI) | 362.0 (324.7 - 362.0) | 456.1 (362.0 - 456.1) | 362.0 (362.0 - 456.1) | 362.0 (362.0 - 362.0) | |
| Type 3 | % Seroprevalence (95% CI) | 93.7% (90.5 - 96.2) | 97.6% (95.2 -99.1) | 92.0% (86.7 - 94.4) | 94.4% (93.0 - 95.8) |
| Median Titers (95% CI) | 228.1 (181.1 - 287.4) | 181.0 (181.0 - 228.1) | 181.0 (143.7 - 181.0) | 181.0 (181.0 - 228.1) |