Table 3: Clinical characteristics and treatment outcomes of ONJ cases.

%

Bone involved
Mandible only 12261.0
Maxilla only 5728.5
Maxilla and mandible 2110.5
Possible risk factors
Smoking habit
 Active smokers3517.5
 Past smokers15 7.5
 Never smokers14673.0
 Unknown/unavailable42.0
Steroids
 None 6432.0
 Massive9145.5
 Occasionally4020.0
 Unknown 5 2.5
 Diabetes mellitus2814.0
Chemotherapy
 None3517.5
 Prior3216.0
 Concomitant 8442.0
 Prior and concomitant 3517.5
 Unknown14 7.0
Endocrine therapy9849.0
Antiangiogenic drugs3819.0
Dental history
Extraction 9447.0
Denture 2010.0
Parodontopathy7 3.5
Implant2 1.0
No risk factors reported 6231.0
Unknown/unavailable15 7.5
Treatment of ONJ
Nonsurgical 7939.5
Curettage only 9246.0
Major surgical 15 7.5
Unknown/unavailable14 7.0
Outcome (3–6 months after ONJ diagnosis and first treatment)
Resolved 11 5.5
Improved, persistent69 34.5
Stable, persistent5326.5
Worsened4623.0
Dead before evaluation 11 5.5
Unknown/unavailable10 5.0
Survival by December 2008
Median followup (months)13.8IQR:18.4
Dead7236.0