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. 2021 May 10;18(5):e1003641. doi: 10.1371/journal.pmed.1003641

Fig 2. Risk of preterm delivery and spontaneous preterm delivery—adjusted logistic regression.

Fig 2

Preterm delivery (2a); spontaneous preterm delivery (2b). Women with HPV infection had an increased risk of preterm delivery and spontaneous preterm delivery; treatment increased the risk further. aORs are given, with 95% confidence intervals in parentheses. Analyses adjusted for year of delivery, maternal age, parity, BMI, marital status, country of birth, infant’s sex, smoking, income, education level, and assisted reproduction. aOR, adjusted odds ratio; CIN, cervical intraepithelial neoplasia; HPV, human papillomavirus.