Changes of serum inflammatory factors and miR-145 expression in patients with osteoarthritis before and after treatment and their clinical value

Table 2 General information

	Control group (n = 60)	Observation group (n = 83)	χ2/t	P-value
Sex, n (%)			0.846	0.358
Male	33 (55.00)	52 (62.65)
Female	27 (45.00)	31 (37.35)
Age (yr)	54.76 ± 13.64	57.48 ± 12.49	1.236	0.218
BMI (kg/m2)	23.53 ± 3.06	24.77 ± 4.14	1.964	0.052
Course of disease (yr)		3.25 ± 1.37
K-L grade, n (%)
I		31 (37.35)
II		37 (44.58)
II		15 (18.07)
VAS score
Before treatment		5.49 ± 1.27
After treatment		2.53 ± 088a
Lysholm score
Before treatment		58.45 ± 10.62
After treatment		75.26 ± 9.46a
WOMAC score
Before treatment		50.46 ± 9.14
After treatment		18.86 ± 8.38a
Disease site
Left knee		40 (48.19)
Right knee		31 (37.35)
Both knees		12 (14.46)

^aP < 0.05 vs before treatment in the same group.