Additional file 4 of Impact of human papillomavirus infection on semen parameters and reproductive outcomes

Additional file 4. Fertility outcomes in infertile couples treated by IVF according to cause of infertility, age and hrHPV status. The P-value was calculated using Fisher’s exact test (*) or multivariate logistic regression model with categorized age as adjusting factor (**). Statistically significant data (P-value < 0.05) are shown in bold. CI- confidence interval, NA- not available, OR- odds ratio.