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Table 2 Comparison between serum CLP (ng/ml) level among RA patients with different grades of disease activity assessed by DAS28-CRP and DAS28-ESR

From: Study of serum calprotectin level in rheumatoid arthritis: unexpected low level and possible explanations

DAS28-CRP

Remission

Mild

Moderate

High

H

p-value

Mean ± SD (range)

Mean ± SD (range)

Mean ± SD (range)

Mean ± S (range)

  

23.17 ± 21.81 (10.40-67.34)

15.69 ± 4.49 (10.82-19.65)

19.77 ± 6.98 (6.07-36.14)

38.54 ± 41.12 (7.70-142.5)

4.284

0.232

DAS28-ESR

Remission

Mild

Moderate

High

H

p-value

Mean ± SD (range)

Mean ± SD (range)

Mean ± SD (range)

Mean ± SD (range)

  

11.29 ± 1.26 (10.40-12.18)

41.29 ± 36.84 (15.25-67.34)

19.18 ± 6.4 (10.82-36.14)

30.65 ± 33.05 (6.07-142.5)

4.830

0.185

  1. SD Standard deviation, CLP Calprotectin, H H for Kruskal–Wallis test, RA Rheumatoid arthritis, Significant at P ≤ 0.05, DAS28-CRP Disease Activity Score 28-CRP, DAS28-ESR Disease Activity Score28-ESR