The Survey of Knee Osteoarthritis in the Population over Age 50 Visited in the Health Bus in Kermanshah, Iran

Table 6

The prevalence of gender-based knee pain in the studied participants.

		No pain	Mild	Moderate	Severe	Extreme	Total
Female	Rotate on the knee	129	81	55	100	100	423
		30.5%	19.1%	13.0%	23.6%	23.6%	100%
	Knee extension	275	78	35	31	31	423
		65.0%	18.4%	8.3%	7.3%	7.3%	100%
	Walking on a flat surface	278	81	37	23	23	423
		65.7%	19.1%	8.7%	5.4%	5.4%	100%
	Going up or down stairs	284	71	42	22	22	423
		67.1%	16.8%	9.9%	5.2%	5.2%	100%
	At night while in bed	239	82	62	35	35	423
		56.5%	19.4%	14.7%	8.3%	8.3%	100%
	Sitting or lying	148	95	83	89	89	423
		35.0%	22.5%	19.6%	21.0%	21.0%	100%
	Standing upright	232	66	54	65	65	423
		54.8%	15.6%	12.8%	15.4%	15.4%	100%
Gender	Rotate on the knee	102	17	24	20	20	166
		61.4%	10.2%	14.5%	12.0%	12.0%	100%
	Knee extension	143	13	5	5	5	166
		86.1%	7.8%	3.0%	3.0%	3.0%	100%
	Walking on a flat surface	143	13	5	4	4	166
		86.1%	7.8%	3.0%	2.4%	2.4%	100%
Male	Going up or down stairs	146	12	4	4	4	166
		88.0%	7.2%	2.4%	2.4%	2.4%	100%
	At night while in bed	133	15	13	4	4	166
		80.1%	9.0%	7.8%	2.4%	2.4%	100%
	Sitting or lying	112	25	14	15	15	166
		67.5%	15.1%	8.4%	9.0%	9.0%	100%
	Standing upright	134	12	9	11	11	166
		80.7%	7.2%	5.4%	6.6%	6.6%	100%