MATN3 Gene Polymorphism Is Associated with Osteoarthritis in Chinese Han Population: A Community-Based Case-Control Study

Table 1

Clinical characteristics of the osteoarthritis patients and control group.

Characteristic	OA	Normal
Age (years)	57.4±9.5	58.7±9.5
Number women/men (𝑛)	216/204	156/156
Body mass index (kg/m^2)	20.1±8.2	19.9±8.3
Kellgren-Lawrence grade (𝑛): 1/2/3/4	32/186/154/48
Lequesne's index	12.2±2.5

A total of 420 patients with primary osteoarthritis and 312 control group were included. Values are expressed as mean ± standard deviation or as numbers.