Table 4.
Seropositivitya by HPV16 ELISA and HPV16-neutralization and HPV31-neutralization at 48 months by number of doses
| 1-dose (n = 78) | 2-doses0/1 (n = 140) | 2-doses0/6 (n = 52) | 3-doses (n = 120) | ||
|---|---|---|---|---|---|
| n (%) | n (%) | n (%) | n (%) | P | |
| HPV16 ELISA | 78 (100) | 140 (100) | 52 (100) | 120 (100) | 0.9 |
| HPV16 neutralization | 75 (96.15) | 137 (97.86) | 52 (100) | 117 (97.50) | 0.6 |
| HPV31 neutralization | 19 (24.36) | 54 (38.57) | 26 (50.00) | 76 (63.33) | <0.001 |
a
Positivity defined at the laboratory determined cutoff (HPV16 ELISA = 8 EU/mL, HPV16 neutralization = 15·1 TU/mL; HPV31 neutralization = 10 TU/mL).