RFA zone absorption time analysis
In our data, the patient’s RFA zone absorption time ranged from 3 to 48 months, with an average absorption time of 12.8 months. We defined that patients whose RFA absorption time was greater than 12 months as the “high-risk group”, and the rest were defined as the “low-risk group”. Nextly, we applied the log-rank test to find the optimal cut-off points for each selected prognostic factor. The calculation results are displayed in Fig. The optimal cut-off points for each selected prognostic factor (