Research Article

Nomogram-Based New Recurrence Predicting System in Early-Stage Papillary Thyroid Cancer

Figure 3

Cox regression analysis and risk stratification for papillary thyroid cancer. (a) Univariate and multivariate cox regression analysis of EFS for papillary thyroid cancer. (b) Kaplan–Meier survival curves for disease-free survival according to risk stratification. The PI value computational formula was based on multivariate Cox regression analysis.
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