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Table 1 The general characteristics of study subjects

From: Association of rs1137101 polymorphism in LEPR and susceptibility to knee osteoarthritis in a Northwest Chinese Han population

Characteristics

Knee OA patients (n = 587)

Healthy controls (n =628)

P-value

Age (years)

61.37 ± 10.64

60.46 ± 9.85

0.537

Gender (F/M)

453/134

485/143

0.981

BMI (kg/m2)

26.31 ± 4.45

24.75 ± 4.16

<0.001

K/L grades

   

 Grade 2, n (%)

292 (49.74)

0 (0.0)

—

 Grade 3, n (%)

175 (29.81)

0 (0.0)

—

 Grade 4, n (%)

120 (20.45)

0 (0.0)

—