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Table 1 Demographic and clinical characteristics of patients received dentoalveolar surgery (n = 97)

From: Clinical values of serum Semaphorin 4D (Sema4D) in medication‑related osteonecrosis of the jaw

Characteristics

Study group

p

Non-MRONJ (n = 55)

MRONJ (n = 42)

Gender

 Male

21 (38.2%)

14 (33.3%)

0.674

 Female

34 (61.8%)

28 (66.7%)

Age (years)

65.4 ± 9.6

68.7 ± 10.7

0.108

Duration of bisphosphonate exposure (months)

44.2 ± 27.8

51.1 ± 32.5

0.223

Indication for bisphosphonate treatment

 Osteoporosis

36 (65.5%)

30 (71.4%)

0.661

 Bone metastasis

19 (34.5%)

12 (28.6%)

Administration route

 IV

20 (36.4%)

22 (52.4%)

0.149

 PO

35 (63.6%)

20 (47.6%)

Bisphosphonates use

 Alendronate

12 (21.8%)

8 (19%)

0.212

 Pamidronate

3 (5.5%)

1 (2.4%)

 Ibandronate

16 (29.1%)

16 (38.1%)

 Zoledronate

22 (40%)

11 (26.2%)

 Risedronate

2 (3.6%)

6 (14.3%)

Dentoalveolar surgery

 Tooth extraction

36 (65.5%)

25 (59.5%)

0.765

 Dental prosthesis

11 (20%)

11 (26.2%)

 Root cannel procedure

8 (14.5%)

6 (14.3%)

Location

 Mandible

28 (66.7%)

 Maxilla

11 (26.2%)

 Mandible and maxilla

3 (7.1%)

Stage

 I

15 (35.7%)

 II

19 (45.2%)

 III

8 (19.1%)

  1. Values were expressed as n (percentage, %) or mean ± SD. p values for each group were derived from Mann–Whitney test. Chi-square test or Fisher’s exact test was used for assessing distribution of observations or phenomena between two groups