Knee osteoarthritis in two ethnic groups in southern Israel: Risk factors and the role of Muslim prayer

Table 3 Comparison of osteoarthritis of knees severity between the two ethnic sectors and between worshipers and non-worshipers in the Bedouin ethnic group

	Diagnosed with OAK			Bedouins diagnosed with OAK
	Jews (n = 53)	Bedouins (n = 51)	P value	Pray (n = 11)	Do not pray (n = 39)	P value
Level of pain median (IQR)	10.0 (5.0-13.0)	10.0 (8.0-14.0)	0.315	5.0 (4.0-8.0)	12.5 (10.0-14.0)	< 0.001
Level of rigidity median (IQR)	4.0 (2.0-5.0)	4.0 (4.0-6.0)	0.218	2.0 (2.0-4.0)	4.0 (4.0-6.0)	< 0.001
Functional level median (IQR)	33.0 (26.0-48.5)	36.0 (28.0-47.0)	0.682	17.0 (13.0-28.0)	44.0 (33.0-49.8)	< 0.001
Total score median (IQR)	46.0 (35.0-67.0)	50.0 (40.0-66.0)	0.725	24.0 (19.0-40.0)	61.0 (43.3-70.0)	< 0.001
Disease severity, n (%)			0.698			< 0.001
Minimal	5 (9.43)	2 (3.92)		1 (9.09)	1 (2.56)
Mild	13 (24.53)	15 (29.41)		9 (81.82)	6 (15.38)
Moderate	22 (41.51)	22 (43.14)		1 (9.09)	20 (51.28)
Severe/very severe	13 (24.53)	12 (23.53)		0	12 (30.77)

IQR: Interquartile range; OAK: Osteoarthritis of knees.