Repairing effects of glucosamine sulfate in combination with etoricoxib on articular cartilages of patients with knee osteoarthritis

Table 1 Baseline clinical data of subjects (\( \overline{\mathrm{x}}\pm \mathrm{s} \)) [n (%)]

Item	Experimental group (n = 40)	Control group (n = 40)	t/χ²	P
Gender (case)			0.024	0.876
Male	14	9
Female	52	31
Age (year)	61.58 ± 10.24	62.07 ± 11.32	0.229	0.819
Disease course (year)	3.74 ± 0.89	3.59 ± 0.75	0.891	0.375
Lesion site			0.642	0.423
Left	35	18
Right	31	22
Kellgren-Lawrence grade			0.285	0.867
I	16	9
II	27	15
III	23	16

ISSN: 1749-799X