Table 2.

Recurrence-free estimates at 60 months based on different surgical methods

Treatment	Recurrence-free survival rate	SE
Wide resection	0.923	0.037
Extension curettage	0.810	0.043
Abrasion + bone grafting	0.771	0.071
Abrasion + PMMA	0.837	0.053
Curettage	0.581	0.075
Alcohol	0.625	0.121
Iodine tincture or H2O2	0.556	0.096
Total	0.788	0.031

SE standard error, PMMA polymethylmethacrylate, H ₂ O ₂ hydrogen peroxide