Table 1 Patients characteristics of unilateral and bilateral knee osteoarthritis (KOA)

Age (year)

68.70 ± 9.62

67

68.07 ± 6.88

71

0.6575

Body mass index (kg/m²)

25.78 ± 3.69

67

25.19 ± 3.68

71

0.3489

Step frequency

79.14 ± 14.40

67

68.45 ± 7.52

71

 < 0.0001****

Pace

1.02 ± 0.22

67

0.75 ± 0.095

71

 < 0.0001****

Gender

/

/

/

 Female

/

54

/

54

/

 Male

/

13

/

17

/

Albumin (g/L)

41.00 ± 4.82

67

40.56 ± 3.60

71

0.5430

Prealbumin (g/L)

221.55 ± 52.56

67

226.70 ± 44.52

71

0.5348

Hematocrystallin (g/L)

122.24 ± 16.35

67

124.92 ± 14.61

71

0.3112

Number of comorbid conditions

/

54/67

/

55/71

/

Types of comorbid conditions

 Type II diabetes

/

12

/

7

/

 Dyslipidemia

/

16

/

22

/

 Hypertension

/

20

/

17

/

 Cardiovascular disease

/

4

/

4

/

 Other chronic diseases

/

36

/

34

/