Table 1

Clinical characteristics of patients with hip OA (HOA)

Patient No	Age	Skill dominant limb	HOA leg	Flexion (HOA)	Internal rotation (HOA)	Duration of morning stiffness (min)	Duration of symptoms (years)	VAS rating (0–10)	WOMAC disability score (0–68)
*Indicates pain on internal rotation.
1	64	R	R	100	10	<45	15	3	22
2	68	R	L	105	10	<30	5	4	2
3	72	R	R	85	5	<30	8	1	17
4	78	R	R	104	10	<15	3	1	24
5	76	R	R	110	10	<45	2	2	8
6	79	R	L	110	14	<15	2	1	15
7	75	R	L	100	14	<30	15	2	18
8	76	R	L	95	10	<15	10	1	4
9	74	R	R	100	12	<30	3	1	12
10	70	R	L	90	13	<30	6	0	34
11	70	R	R	115	20*	<15	2	2	7
12	66	R	L	115	20*	<30	10	1	5
13	61	R	L	120	20*	<45	3	0	7
14	79	R	L	110	25*	<30	5	2	10
15	70	R	L	110	28*	<30	10	4	32
16	64	R	R	115	20*	<45	15	3	31
17	52	R	R	100	20*	<15	5	1	21
18	65	R	R	110	0	<15	6	0	12
19	74	R	R	110	12	<60	10	0	13