Micro RNA-23b as a potential biomarker in rheumatoid arthritis disease activity and severity: clinical, laboratory, and radiological cross-sectional study

Egyptian Rheumatology and Rehabilitation

Table 2 Pearson’s correlation test between plasma expression of miRNA-23b with age, clinical features, and laboratory findings in the RA patients group

	r	p
Age (years)	0.031	0.757
Duration of RA (years)	0.151	0.134
Duration of morning stiffness (min)	0.220	0.028
SJC	0.243	0.015
TJC	0.214	0.032
VAS-pain score	0.252	0.011
DAS28-ESR	0.261	0.009
ESR (mm/h)	0.248	0.013
CRP (mg/dl)	0.206	0.040
RF titer (U/ml)	0.146	0.147
Anti-CCP titer (IU/ml)	0.149	0.139
Modified Sharp score	0.305	0.002

CCP cyclic citrullinated peptide, CRP C reactive protein, DAS disease activity score, ESR erythrocyte sedimentation rate, RF rheumatoid factor, SJC swollen joint count, TJC tender joint count, P is significant if ≤ 0.05