Analysis of Single Nucleotide Polymorphisms within ADAM12 and Risk of Knee Osteoarthritis in a Chinese Han Population

Table 1

The summary of the basic characteristics of the groups.

Clinical characteristics		Controls	OA patients	value
Number		200	164
Age (years)		65.9 ± 5.3	67.4 ± 4.2	n.s
Male/female		62/138	58/106	n.s
BMI (kg/m^2)		24.4 ± 4.5	25.3 ± 4.2	n.s
KL grade	1	/	0
	2	/	73
	3	/	58
	4	/	33