Table 3.

Kaplan-Meier survival analysis of recurrence-free survival 10 years after surgery

Surgical treatment	Recurrence-free survival	Standard error	Mean recurrence-free survival (months)	95% confidence interval	p (versus wide resection)	p (versus PMMA + phenol)
Wide resection	0.955	0.051	116	109–123	–	–
Intralesional surgery	0.747	0.045	93	84–103	0.036	–
PMMA + phenol	0.854	0.056	105	93–116	0.209	–
Bone grafting + phenol	0.656	0.084	83	66–101	0.009	0.044
No adjuvants (bone grafting)	0.682	0.099	87	67–107	0.018	0.107