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

Egyptian Rheumatology and Rehabilitation

Table 1 Mean of CLP level (ng/ml) in RA patients in the current study and other studies

Current study	Shumanalieva et al. [26]	Aghdasshi et al. [27]	Gernert et al. [28]	Torgutalp et al. [29]	ElKadyy et al. [30]
25.94 ± 25.87	344.25	Flare-up phase: 347.12 ± 203.60 Remission phase: 188.04 ± 23.58	Active RA: 4155.5 Non-active RA:1040	96.3 ± 45.9	404.1