Table 3.

Clinical variables in the OA patients and the rs12885713 genotype

Variable	Genotype
	CC		CT		TT		P value
	Mean	SD	Mean	SD	Mean	SD
Age	57.7	13.0	59.6	14.7	64.4	11.3	0.23a
BMI	25.4	3.1	25.7	4.2	24.7	4.1	0.87a
Sex (Male %)	32.5		29.8		44.4		0.68b

BMI: body mass index.

a The P values were calculated using Kruskal-Wallis test.

b The P values were calculated using χ² test.