Table 3:

Patient characteristics

Study	Total	Total	Sex	Age, years	Diagnosis	Follow-up, months
	Ni	Nr	M/F	Med (Min–Max)		Mean/med (Min-Max)
Wang, L. et al, 2009	15	15	8/7	48 (34–62)	ORN	28 (6–60)
Zhang, X. et al, 2013	42	31	18/13	58 (31–75)	Malignancy	44 (12–72)
Li, X. et al, 2014	54	35	23/12	17 (10–24)	AB	-- (12–32)
Luo, R. et al, 2014	47	32	23/9	21 (10–30)	AB	-- (16–123)
Yang, W. et al, 2014	34	34	25/9	53 (28–65)	SCC	27 (12–48)
Zhu, J. et al, 2014	45	33	24/9	43 (26–58)	AB	23 (14–60)
Hundepool et al. 2008	18	14	6/8	58(19–77)	Mixed*	39(6–89)
Total	245	194	127/67	48 (10–77)		--(6–123)

N_i Number of patients invited to participate in the study; N_r Number of patients who responded the questionnaires, ORN osteoradionecrosis, AB Ameloblastoma, SCC Squamous cell carcinoma, * 8SCC, 3AB, 3ORN, 1 adenoid cystic carcinoma

^*8SCC, 3AB, 3ORN, 1 adenoid cystic carcinoma