Effects of Low-Intensity Pulsed Ultrasound on Knee Osteoarthritis: A Meta-Analysis of Randomized Clinical Trials

Table 1

Characteristics of the selected studies.

Author	Year	N; (Control/LIPUS)	Age		BMI		Kellgren-Lawrence Grade (I/II/III/IV)		Interested outcome	Treatment duration	JADAD
			Control	LIPUS	Control	LIPUS	Control	LIPUS
Jia et al.	2016	53/53	61.3 ± 10.2	63.4 ± 9.7	26.2 ± 5.9	25.8 ± 3.4	0/44/9/0	0/46/7/0	VAS, LI, ROM WOMAC, 50 meter walking time	10 days	5
Loyola et al.	2012	13/14	61.1 ± 11.5	62.5 ± 9.5	30.4 ± 5.7	34.0 ± 8.5	/	/	WOMAC, 6 Min Walk	8 weeks	5
Cakir et al.	2014	20/20	58.2 ± 9.9	57.1 ± 7.8	30.9 ± 4.0	29.5 ± 5.9	All II-III	All II-III	VAS, WOMAC, 20m walking time	10 days	5
Yildiz et al	2015	30/30	57.7 ± 7.1	54.6 ± 6.5	30.9 ± 4.3	31.1 ± 4.7	0/16/14/0	0/10/20/0	VAS, LI, ROM	10 days	4
Tascioglu et al.	2010	27/28	60.0 ± 2.8	61.6 ± 3.7	28.7 ± 4.0	30.8 ± 3.8	0/15/12/0	0/16/12/0	VAS, WOMAC, 20m walking time	10 days	5