| Postpartum women vaccinated during pregnancy | Postpartum women not vaccinated during pregnancy | p-value* |
---|---|---|---|
SARS-CoV-2 infection | 3.3 (27/828) | 7.8 (17/217) | 0.003 |
Oxygen administration due to COVID-19 | 3.7 (1/27) | 11.7 (2/17) | 0.550 |
Percentage of maternal infections during pregnancy | |||
 First trimester | 11.1 (3/27) | 11.8 (2/17) |  |
 Second trimester | 25.9 (7/27) | 17.6 (3/17) |  |
 Third trimester | 62.9 (16/27) | 58.8 (10/17) |  |
 Unknown | 0.0 (0/27) | 11.8 (2/17) |  |