3.

Cox analysis for factors associated with recurrence time in the cohort

Variables	P	HR	95% CI for HR
			Lower	Upper
HR, hazard ratio; 95% CI, 95% confidence interval; *, Group 1: ≤30 years old, Group 2: 31–50 years old, Group 3: >50 years old.
Age group*	0.304
Group 2:Group 1	0.209	0.683	0.377	1.238
Group 3:Group 1	0.157	0.635	0.338	1.192
Gender
Female:male	0.108	0.664	0.403	1.094
Site
Mandible:maxilla	0.754	0.872	0.370	2.056
Radiology
Multicystic:unicystic	0.314	1.447	0.704	2.975
Initial surgical method
Resection:curettage	0.195	0.714	0.429	1.188
Pathology	0.269
Desmoplastic:unicystic	0.298	0.552	0.180	1.689
Peripheral:unicystic	0.107	0.390	0.124	1.226
Multicystic/solid:unicystic	0.665	0.831	0.360	1.918
Tumor stage	0.027
Stage II:stage I	0.015	2.130	1.156	3.923
Stage III:stage I	0.130	2.446	0.767	7.794