Table 1.
Rotavirus-Specific Plasma Immunoglobulin A Geometric Mean Concentration (U/mL) at Weeks 6 and 18 of Life
| Group | Week 6 | Week 18 | Week 24 | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Vaccinated | Unvaccinated | Vaccinated | Unvaccinated | Vaccinated | Unvaccinated | |||||||
| No. | GMC (95% CI) |
No. | GMC (95% CI) |
No. | GMC (95% CI) | No. | GMC (95% CI) |
No. | GMC (95% CI) | No. | GMC (95% CI) | |
| All | 284 | 8.7 (8.2–9.2) | 291 | 8.5 (8.0–9.1) | 289a | 21.0 (17.6–24.9)b | 294a | 12.9 (11.3–14.7)b | 85a | 27.6 (19.2–39.7)c | 92a | 20.7 (14.8–28.8)c |
| Seropositive | … | … | … | … | 93 | 120.5 (88.3–164.4) | 57 | 92.4 (65.8–129.7) | 36 | 133.7 (80.5–222.1) | 30 | 147.8 (87.2–250.6) |
| Seroconverted | … | … | … | … | 77 | 106.1 (75.8–148.4) | 50 | 86.4 (59.6–125.3) | 33 | 139.5 (81–240.2) | 27 | 150.0 (84.4–266.6) |
Abbreviations: CI, confidence interval; GMC, geometric mean concentration.
aIncludes infants without week 6 measurements.
b P < .001.
c P = .081.