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Table 1 Clinical characteristics of the patients at the time of synovectomy/sampling

From: Identification of rheumatoid arthritis and osteoarthritis patients by transcriptome-based rule set generation

Patients (total number)

Gender (male/female)

Age (Years)

Disease duration (years)

RF (+/−)

ESR (mm/1 hour)

CRPa(mg/l)

Number of ARA-criteria (RA)

Concomitant medication (n)

Control group

        

(n = 20)

15/5

54.7 ± 4.0

0.3 ± 0.3b

n.d.

n.d.

n.d.

n.a.

NSAIDs (n = 1)

   

(n.d. = 13)

    

None (n = 7)

        

(n.d. = 12)

Osteoarthritis

        

(n = 26)

4/22

71.0 ± 1.4

7.0 ± 1.3

3/18

22.4 ± 2.7

5.3 ± 1.5

0.2 ± 0.1

NSAIDs (n = 16)

   

(n.d. = 1)

(n.d. = 5)

(n.d. = 5)

(n.d. = 3)

 

None (n = 10)

Rheumatoid arthritis

        

(n = 33)

8/25

57.0 ± 2.7

12.5 ± 2.0

21/7

42.7 ± 4.5

21.4 ± 4.1

5.2 ± 0.3

Prednisolone (n = 23)

    

(n.d. = 7)

(n.d. = 10)

(n.d. = 3)

 

Methotrexate (n = 18)

        

Sulfasalazine (n = 5)

Chloroquine (n = 2)

Leflunomide (n = 2)

Cyclosporine (n = 1)

Gold (n = 1)

NSAIDs (n = 22)

  1. For the parameters age, disease duration, ESR, CRP, and number of ARA criteria (RA), means ± standard error of the mean are given; for the remaining parameters, numbers are provided. ARA, American Rheumatism Association (now American College of Rheumatology); n.a., not applicable; n.d., not determined; NSAID, nonsteroidal anti-inflammatory drug; RA, rheumatoid arthritis; RF, rheumatoid factor; ESR, erythrocyte sedimentation rate; CRP, C-reactive protein.
  2. aNormal range, <5 mg /l.
  3. bDisease duration in joint trauma patients.
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Arthritis Research & Therapy

ISSN: 1478-6362

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