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Table 3 Demographic and clinical features of patients with PsA, nonpsoriatic SpA and RA

From: Synovial histopathology of psoriatic arthritis, both oligo- and polyarticular, resembles spondyloarthropathy more than it does rheumatoid arthritis

Parameter

PsA

Nonpsoriatic SpA

RA

Number of patients

8

12

20

Sex (male/female)

4/4

9/3

8/12

Age (years)

45.1 Ā± 7.1

39.7 Ā± 8.9

58.9 Ā± 17.2

Disease duration (years)

6.0 Ā± 9.7

6.6 Ā± 6.0

4.5 Ā± 7.9

Number of swollen joints

3.0 Ā± 1.9

2.6 Ā± 3.1

11.7 Ā± 8.3

Serum CRP (mg/dl)

6.2 Ā± 6.5

4.3 Ā± 5.1

7.3 Ā± 7.4

ESR (mm/hour)

36.4 Ā± 34.7

23.8 Ā± 25.2

44.2 Ā± 28.9

Rheumatoid factor (+/-)

0/8

0/11

14/6

DMARD (+/-)

3/3

8/4

8/12

Corticosteroids (+/-)

1/5

0/12

9/11

  1. The nonpsoriatic SpA subgroup includes six AS and six USpA patients. Values are expressed as mean Ā± standard deviation. AS, ankylosing spondylitis; CRP, C-reactive protein; DMARD, disease-modifying antirheumatic drug; ESR, erythrocyte sedimentation rate; NSAID, nonsteroidal anti-inflammatory drug; PsA, psoriatic arthritis; RA, rheumatoid arthritis; USpA, undifferentiated spondyloarthropathy.
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Arthritis Research & Therapy

ISSN: 1478-6362

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