Effect of knee arthroscopic debridement combined with peripatellar denervation on restoration of knee function in patients with knee osteoarthritis

Table 1 Baseline data

Factor		Control group (n = 116)	Observation group (n = 95)	χ² value	P value
Gender				0.021	0.884
	Male	50	40
	Female	66	55
Age				1.068	0.301
	≥ 65 years	42	28
	<65 years	74	67
Course of disease				0.296	0.585
	≥ 3 years	69	60
	<3 years	47	35
BMI				0.379	0.537
	≥ 25 kg/m²	44	40
	<25 kg/m²	72	55
Affected side				0.396	0.529
	Left side	60	45
	Right side	56	50
Past medical history
	Hypertension	44	37	0.022	0.880
	Diabetes	27	18	0.583	0.445
Outerbridge Classification
	II	32	32	1.116	0.572
	III	55	39
	IV	29	24

ISSN: 1471-2482