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. Author manuscript; available in PMC: 2019 Nov 1.
Published in final edited form as: Am J Obstet Gynecol. 2018 Aug 21;219(5):461.e1–461.e18. doi: 10.1016/j.ajog.2018.08.020

Figure 2. Temporal and age-related trends in frequency of trachelectomy.

Figure 2.

A) Results of piecewise linear regression analyses by Joinpoint Regression Program are shown to display temporal trends in the proportion of women who underwent trachelectomy between 1998 and 2014. B) Age-specific frequency of trachelectomy is shown between ages 20–44. Dots represent actual observed values, and lines represent regression. Bars represent 95% confidence intervals.