Combining Calcitonin and Procalcitonin and Rheumatoid Arthritis-Related Biomarkers Improve Diagnostic Outcomes in Early Rheumatoid Arthritis

Table 3

Correlation coefficients of PCT and CT with clinical and serological measures in early RA.

Variable	Age	Disease duration	Sharp scores	ESR	CRP	RF	Anti-CCP	Anti-RA33	PCT
	48	48	48	48	48	48	38	48	48
PCT	0.050	0.024	-0.188	0.442	0.414	-0.245	0.105	0.263	—
CT	0.033	-0.034	0.679	-0.073	0.067	-0.073	0.047	0.070	0.092