Table 1.

Characteristics of participants.

Osteoporosis/solid cancer	Total	BP/Dmab users		Users of other drugs	P value
Patients	92	60		32
(Women)	(82)	(56)		(26)
Osteoporosis medication users	81	Oral BPs	37	21
		Injection BPs	11
		Dmab	12
a Age (years, mean ± SD)	74.6 ± 10.8	77.5 ± 7.9		68.3 ± 13.4	∗∗
Median	76	78		70	3.13E-05
		Oral BPs	77.1 ± 8.9
		Injection BPs	77.8 ± 4.0
		Dmab	78.5 ± 7.9
b Number of extracted teeth	78	70		8	∗∗
(Patients)	(47)	(40)		(7)	8.54E-05
Upper	32	29		3
Lower	46	41		5
Period of tooth extraction from first visit	96.2 ± 96.4 days	103.8 ± 99.8 days		43.1 ± 42.7 days
Median	69	89		33
Period of follow-up after tooth extraction	122.7 ± 182.0 days	122.6 ± 170.0 days		123.9 ± 268.7 days
Median	42	45		28
MRONJ	11 patients	Referral clinic, 9 patients		0
		Our clinic, 2 patients (3.3%)

BP, bisphosphonate; Dmab, denosumab; SD, standard deviation; MRONJ, medication-related osteonecrosis of the jaw.

∗∗P < 0.01.

^aStudent's t-test.

^bMann–Whitney U test.