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Survival rate during recurrence-free follow-up time
| Group | N | Recurrence (+) | Recurrence (−) | Survival rate without recurrence (%) | Mean recurrence-free follow-up time (months) |
|---|---|---|---|---|---|
| Group I | 18 | 4 | 14 | 77.8 | 9.92 ± 0.92 |
| Group II | 18 | 8 | 10 | 55.6 | 7.50 ± 1.19 |
Note: Kaplan–Meier analysis.
