The primary goal of this study is to identify and describe predictors of human papillomavirus (HPV) vaccination series completion among young adult women examined by gynaecological (GYN) physicians at a single institution, as well as to track trends over a four-year period. From 2006 to 2010 and 2014 to 2015, the medical records of 845 women who received the HPV vaccination series from a GYN physician were examined retrospectively at a large academic facility. Patients were divided into “earlier” and “later” groups based on the date of vaccination administration. Patient information, vaccination dates, and practise locations, where vaccinations were administered, were all gathered. Patients who got all three vaccinations within six months were considered “complete.” Patients who were seen by a physician but did not obtain the vaccine were labelled as having “lost chances.” The primary outcome was that all HPV vaccinations were completed in accordance with ACIP recommendations. The 845 patients were split into two groups: those who arrived first and those who arrived later. The full cohort had a considerably lower body mass index (BMI) than the incomplete cohort at the time of start. There was a substantial disparity in completion rates between racial/ethnic groupings. African-American and Hispanic patients had the lowest completion rates and the most lost chances.

In both early and later cohorts, our analysis showed a low overall completion rate. Furthermore, greater BMI, as well as African-American and Hispanic race/ethnicity, were linked to lower vaccination completion.