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. 2021 Aug 26;11:17226. doi: 10.1038/s41598-021-96480-8

Table 1.

Patient characteristics (per jaw).

Variable Number of jaws/mean ± standard devision MRONJ (−) MRONJ (+)
Age (years) 62 ± 11.8 61.6 ± 11.8 65.9 ± 10.7
Sex Female 215 193 22
Male 146 135 11
Primary site Upper jaw 177 164 13
Lower jaw 184 164 20
Smoking habit (−) 300 270 30
(+) 57 54 3
Diabetes (−) 321 294 29
(+) 38 34 4
Corticosteroid (−) 320 290 30
(+) 41 38 3
Leukocytes (/μL) 2443 ± 2091 2433 ± 2066 2537 ± 2353
Albumin (g/dL) 2.96 ± 0.762 2.95 ± 0.773 3.06 ± 0.641
Sort of BMA BP 161 149 12
Dmab 189 169 20
BP → Dmab 11 10 1
Duration of administration (days) 243 ± 631 221 ± 602 455 ± 850
Number of teeth 11.2 ± 3.58 11.3 ± 3.57 10.5 ± 3.63
Symptom of local infection (−) 331 311 20
(+) 30 17 13
Teeth that can be a source of infection (−) 171 162 9
(+) 190 166 24
Tooth extraction during BMA therapy (−) 334 306 28
(+) 27 22 5

Teeth that can be a source of infection:

periapical lesion (> 3 mm) or alveolar bone loss (> 1/2) or probing pocket depth (> 4 mm).