Serum Amyloid A as a Marker of Persistent Inflammation and an Indicator of Cardiovascular and Renal Involvement in Patients with Rheumatoid Arthritis

Table 4

Significant differences in SAA concentration between groups of RA patients.

Variables	SAA (mg/L)	value
Gender
Male	433.6 (238.0)	0.01
Female	298.9 (263.6)
Disease activity
DAS28 > 5.1	478.3 (228.1)	<0.0001
DAS28 ≤ 5.1	261.5 (251.4)
Current GC treatment
Positive	361.1 (261.0)	0.002
Negative	213.0 (0.12)
Carotid plaques
Positive	388.3 (250.6)	0.04
Negative	302.2 (265.7)
Cystatin-C
≥1.0 mg/L	492.4 (229.2)	0.004
<1.0 mg/L	303.9 (260.4)
Only in women
Current biological DMARDs
Negative	332.1 (266.5)	0.01
Positive	210.2 (237.8)

Values are mean (SD).
DAS: disease activity score; GC: glucocorticoid.