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Table 1 Baseline characteristics

From: Effect of weight loss on knee joint synovitis over 48 months and mediation by subcutaneous fat around the knee: data from the Osteoarthritis Initiative

 

Stable overweight

 > 10% weight loss

N = 117

N = 117

Women

81 (69.2%)

81 (69.2%)

Age, years

61.0 ± 9.2

61.2 ± 9.3

Body mass index, kg/m2

30.4 ± 4.0

31.7 ± 4.1

PASE

158 ± 75

149 ± 76

KL score

0

24 (20.5%)

28 (23.9%)

1

29 (24.8%)

27 (23.1%)

2

42 (35.9%)

41 (35.0%)

3

22 (18.8%)

21 (17.9%)

SCF measurements

AjSCF, mm

12.4 ± 4.8

13.1 ± 4.3

Anterior SCF, mm

7.3 ± 2.8

7.1 ± 2.8

Medial SCF, mm

19.8 ± 8.6

21.4 ± 8.5

Lateral SCF, mm

10.5 ± 5.5

10.8 ± 5.0

Effusion-synovitis grade

0

10 (8.5%)

10 (8.5%)

1

51 (43.6%)

49 (41.9%)

2

43 (36.8%)

49 (41.9%)

3

13 (11.1%)

9 (7.7%)

Hoffa-synovitis grade

0

10 (8.5%)

8 (6.9%)

1

28 (23.9%)

33 (28.4%)

2

63 (53.8%)

54 (46.6%)

3

16 (13.7%)

21 (18.1%)

  1. Parameters are showed as n (%) or mean ± SD
  2. PASE Physical Activity Scale of the Elderly, SCF Subcutaneous fat, ajSCF Average joint-adjacent SCF. AjSCF is calculated as the arithmetic mean of anterior, medial, and lateral SCF