TABLE 1.
Hib anti-polyribosylribitol phosphate-specific antibody levels among 343 children stratified by age group, using sera from the Mexican Nutritional Survey conducted in 2006
| Age (mo) | No. in group | No. (%) with antibody level (μg/ml) of: |
|||
|---|---|---|---|---|---|
| <0.15 | 0.15-1.0 | 1.01-5.0 | >5.0 | ||
| 12-17 | 46 | 1 (2.2) | 22 (47.8) | 14 (30.4) | 9 (19.6) |
| 18-23 | 62 | 2 (3.2) | 35 (56.5) | 14 (22.6) | 11 (17.7) |
| 24-29 | 40 | 1 (2.5) | 23 (57.5) | 12 (30.0) | 4 (10.0) |
| 30-35 | 37 | 3 (8.1) | 22 (59.5) | 8 (21.6) | 4 (10.8) |
| 36-41 | 32 | 2 (8.3) | 21 (65.6) | 6 (18.8) | 3 (9.4) |
| 42-47 | 48 | 5 (10.4) | 23 (47.9) | 15 (31.3) | 5 (10.4) |
| 48-53 | 48 | 1 (2.1) | 31 (64.6) | 11 (22.9) | 5 (10.4) |
| 54-59 | 30 | 1 (3.3) | 14 (46.7) | 12 (40.0) | 3 (10.0) |
| Total | 343 | 16 (4.7) | 191 (55.7) | 92 (26.8) | 44 (12.8) |