Diet Quality and Its Relationship with Antioxidant Status in Patients with Rheumatoid Arthritis

Table 3

Serum antioxidant capacity (TAS and DSAS) level and significant correlations with clinical parameters.

	RA group	Control group	value
Serum antioxidant capacity (mM Trolox)
TAS, median (range)	1.47 (1.03–1.86)	1.72 (1.33–2.14)	0.031
DSAS, median (range)	174.3 (61.0–352.3)	206.4 (97.1–523.1)	0.027
TAS/DSAS correlation ( values)	0.56	—	0.019
	—	0.25	0.038
Significant correlation of TAS with clinical parameters ( values)
Albumin	0.23	—	0.027
	—	0.52	<0.000001
Uric acid	0.58	—	0.027
	—	0.62	0.0011
Number of swollen joints	−0.37	—	0.022
Time from RA onset	−0.25	—	0.027
Significant correlation of DSAS with clinical parameters ( values)
Albumin	−0.21	—	0.049
	—	0.31	0.0042
Uric acid	0.39	—	0.017
	—	0.27	0.031

Only in patients with albumin level ≥ 3.93 (median value in RA group). Only in patients with albumin level < 3.93 (median value in RA group).