TABLE 2

Gravidities in vaccinated and unvaccinated study groups, stratified by patient age

Patient age (yr)Vaccinated groupUnvaccinated groupa
No. of patients% of patients with the indicated no. of graviditiesNo. of patients% of patients with the indicated no. of gravidities
12≥312≥3
18–204100.00.00.0366.733.30.0
21–258185.212.42.46384.27.97.9
26–302850.028.621.43360.630.39.1
≥30944.444.411.250.080.020.0
Total12274.618.07.410472.119.28.7
  • a Exact probability, P = 0.327.