Table 2 Selected clinical parameters in the group of patients with rheumatoid arthritis

Duration of illness [years]

8.35 ± 6.56

C-reactive protein (CRP) [mg/l]

17.47 ± 17.23

Rheumatoid factor (RF) [IU/ml]

163.83 ± 329.98

Anti-cyclic citrullinated peptide (anti-CCP) [EU/ml]

333.69 ± 479.44

Seropositivity [n/%]

19 / 63.3

Disease activity index DAS28

6.48 ± 0.52

Collective assessment of health by the patient and the doctor (VAS)

82.50 ± 4.08

Neutrophil gelatinase-associated lipocalin (NGAL) [ng/ml]

12.79 ± 8.80

Steroids [n/%]

20/66.7

Methotrexate [n/%]

22/73.3

Other disease-modifying drugs [n/%]

12/40.0

Salazopyrin

1/3.3

Leflunomide

7/23.3

Cyclosporine

3/10.0

Chloroquine

1/3.3