Table 4.

Pain score and WOMAC total score in the participants.

	Subjects using bisphosphonate in previous 5 years			Subjects using bisphosphonate in previous 30 days
	Non-use	Use	P	Non-use	Use	P
Baseline pain score	2.73 ± 2.85	3.35 ± 2.37	0.26	3.05 ± 2.87	3.29 ± 2.27	0.70
The change of pain score	0.77 ± 3.19	0.35 ± 2.72	0.50	0 ± 3.04	0.08 ± 2.99	0.90
Baseline WOMAC total score	15.39 ± 15.96	15.94 ± 13.57	0.86	14.97 ± 15.96	15.22 ± 13.60	0.94
The change of total score	−0.52 ± 11.78	0.12 ± 10.69	0.78	−4.01 ± 12.01	0.37 ± 11.23	0.12