Figure 2.

Odds of PTB in gravidae receiving treatment during pregnancy

The asterisk represents adjusted odds ratios were adjusted for maternal age, marital status, years lived in the United States, self-described race or ethnicity, and self-described dental health if not the variable under analysis (eg, self-described dental health–adjusted analysis included adjustment for maternal age, marital status, years lived in the United States, and self-described race or ethnicity).

BMI, body mass index; PTB, preterm birth.

Valentine. Nonsurgical periodontal therapy and newborn outcomes. Am J Obstet Gynecol Glob Rep 2023.