Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Geometric mean concentration (GMC) of anti-pertussis toxin (PT) IgG in vaccinated and unvaccinated maternal and cord blood.
| Maternal anti-PT IgG |
p-value* | Cord blood anti-PT IgG |
p-value* | |||
|---|---|---|---|---|---|---|
| N | % | GMC (95% CI) | GMC (95% CI) | |||
| Unvaccinated | 75 | 23.6 | 12.4 (10.3-14.9) | <0.001 | 16.1 (12.7-20.4) | <0.001 |
| Vaccinated | 243 | 76.4 | 66.5 (60.1-73.6) | 89.8 (80.9-99.6) |
Mann-Whitney test
