Table 4

Risk factors associated with loss of anti-HPV-16 IgG: multivariate time-dependent proportional hazards regression analysis

Adjusted relative risk (95% confidence interval) for loss of IgGP
Initial log absorbance value when anti-HPV-16 IgG was first detected (per 0.1 unit decrease)1.96 (1.51–2.55)<0.0001
No. visits in which HPV DNA of any types was detected ≤ time t (per visit decrease)1.34 (1.05–1.71)0.018