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Table 3 Description of the subgroup with normal BMI (n = 126), with and without radiographic knee osteoarthritis (RKOA)

From: Associations between metabolic factors and radiographic knee osteoarthritis in early disease - a cross-sectional study of individuals with knee pain

 

Missing

No OA/OA

No OA

Mean (sd)

RKOA*

Mean (sd)

p-value

N

 

106

20

 

Age, years

0/0

50 (9)

56 (4)

< 0.001

Sex, women, %

0/0

78

80

0.86

Visceral fat area (VFA), cm2

2/0

72 (25)

89 (30)

0.008

Raised VFA, (≥ 100 cm2), %

2/0

9

40

< 0.001

Proportion of fat, %

2/0

25 (6)

27 (8)

0.11

Waist circumferance, cm

1/1

84 (8)

87 (7)

0.12

Central obesity, %

1/1

53

84

0.012

Raised blood pressure**, %

0/0

75

55

0.08

CRP, mg/L

0/0

1.1 (1.0)

2.1 (2.7)

0.005

Total cholesterol, mmol/L

0/0

4.9 (1.0)

5.6 (1.0)

0.012

Triglycerides, mmol/L

0/0

0.9 (0.4)

0.9 (0.5)

0.82

Raised triglycerides**, %

0/0

3

5

0.62

LDL-cholesterol, mmol/L

0/0

3.1 (0.8)

3.6 (1.2)

0.06

HDL-cholesterol, mmol/L

0/0

1.8 (0.4)

2.0 (0.5)

0.035

Reduced HDL**

0/0

6

5

0.90

Glucose, mmol/L

2/0

5.2 (0.5)

5.2 (0.4)

0.72

Raised glucose**, %

2/0

20

20

0.97

HBA1c, mmol/mol

3/0

36 (3)

37 (3)

0.11

MetS**, %

1/1

12

16

0.68

  1. RKOA, radiographic knee osteoarthritis; BMI, body mass index; CRP, C-reactive protein; LDL, low density lipoprotein; HDL, high density lipoprotein; HbA1C, glycosylated hemoglobin; MetS, metabolic syndrome
  2. *Ahlbäck grade I or more in at least one knee **according to International Diabetes Federation (IDF)