Table 4.

Characteristics of normal and PsA patients positive for anti-CCP antibodies

diagnosis	psoriatic arthritis						normal
patient	A	B	C	D	E	F	G
sex	F	F	F	M	F	F	F
age (years)	53	39	52	55	42	70	57
disease duration (months)	288	6	36	144	4	-	-
ESR (mm/1h)	36	35	25	34	20	35	45
CRP (mg/L)	20	11	1.6	4	0.14	6.4	6.8
RF (U/mL)	42	10.6	2.6	17	5.9	6	42
anti-CCP (Um/L)	27	9.2	5.5	10.9	10.3	5.4	5.8
polyarticular disease	yes	yes	yes	yes	yes	-	-
treatment	δ + γ	δ	β	β	δ	-	-
Abbreviations: F – female; M – male; δ – disease modifying anti-rheumatic drug; γ – glucocorticoids; β –biologic anti-inflammatory drugs.