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Table 2 Anabolic and catabolic bone changes in healthy controls (HC), patients with psoriasis (PSO) and patients with psoriatic arthritis (PsA)

From: Simultaneous quantification of bone erosions and enthesiophytes in the joints of patients with psoriasis or psoriatic arthritis - effects of age and disease duration

A. Effects of age

N

HC

PSO

PsA

(18/22/7)

(11/36/8)

(20/55/26)

Number of enthesiophytes

 20–40 years

2.41 ± 1.94

5.00 ± 2.49

7.50 ± 5.65

 41–60 years

3.29 ± 1.77

6.00 ± 3.50

9.09 ± 6.20

  > 60 years

3.86 ± 1.22

3.71 ± 1.98

11.96 ± 7.71

Number of erosions

 20–40 years

0.12 ± 0.33

0.27 ± 0.90

1.05 ± 1.82

 41–60 years

0.33 ± 0.48

0.50 ± 0.94

1.26 ± 1.87

  > 60 years

1.29 ± 0.95

0.86 ± 1.07

2.00 ± 2.95

Size of enthesiophytes (mm)

 20–40 years

1.44 ± 1.10

3.37 ± 1.61

5.26 ± 5.56

 41–60 years

2.24 ± 1.15

4.40 ± 2.37

6.33 ± 4.96

  > 60 years

2.69 ± 0.74

3.01 ± 1.56

8.82 ± 6.70

Volume of erosions (mm3)

 20–40 years

0.06 ± 0.20

0.28 ± 0.91

1.92 ± 3.61

 41–60 years

0.53 ± 1.08

0.99 ± 2.25

2.95 ± 5.71

  > 60 years

4.84 ± 6.31

1.99 ± 3.33

5.27 ± 12.58

B. Effects of disease duration

N

PSO in PSO

PSO in PsA

PSA in PsA

(27/21/7)

(40/40/21)

(78/17/6)

Number of enthesiophytes

 0–10 years

5.50 ± 2.49

7.91 ± 3.82

8.72 ± 5.33

 11–20 years

4.80 ± 2.14

10.72 ± 7.88

10.13 ± 8.36

  > 20 years

6.60 ± 4.56

11.00 ± 8.26

18.17 ± 10.93

Number of erosions

 0–10 years

0.67 ± 1.11

0.71 ± 1.45

1.31 ± 2.17

 11–20 years

0.53 ± 0.92

1.33 ± 2.17

1.06 ± 1.81

  > 20 years

0.20 ± 0.45

2.65 ± 2.82

3.50 ± 2.67

Size of enthesiophytes (mm)

 0–10 years

4.07 ± 1.67

5.33 ± 3.20

6.05 ± 4.59

 11–20 years

3.21 ± 1.49

7.65 ± 6.60

7.61 ± 6.96

  > 20 years

5.09 ± 3.19

8.38 ± 7.24

13.59 ± 9.71

Volume of erosions (mm3)

 0–10 years

1.21 ± 2.61

1.57 ± 3.16

2.71 ± 5.01

 11–20 years

1.03 ± 2.29

3.08 ± 9.75

4.87 ± 14.36

  > 20 years

0.18 ± 0.39

6.72 ± 9.24

7.44 ± 11.41

  1. N numbers of subjects in the three different age categories