Diet Quality and Its Relationship with Antioxidant Status in Patients with Rheumatoid Arthritis
Table 1
Group characteristics.
Parameter
RA group ()
Control group ()
value
Sex of subjects, (% of group)
Female
61 (74.4%)
50 (57.5%)
0.0012
Male
21 (25.6%)
37 (42.5%)
Age (years), median (range)
54 (20–82)
53 (25–78)
NS
BMI (kg/m2), (%)
<18.5
2 (2.4%)
2 (2.3%)
NS
18.5–24.9
36 (43.9%)
29 (33.3%)
≥25
44 (53.7%)
56 (64.4%)
Cigarette smoking, (%)
Current smoker
22 (26.8%)
31 (35.6%)
0.023
Former smoker (cessation ≥ 1 year)
29 (35.4%)
38 (43.7%)
Never smoker
31 (37.8%)
18 (20.7%)
Albumin (g/dL), median (range)
3.93 (2.57–5.70)
4.23 (2.85–5.42)
<0.000001
Uric acid (g/dL), median (range)
4.3 (1.5–9.1)
5.2 (3.0–8.8)
NS
Time from RA onset (years), median (range)
8.5 (0.2–50)
—
—
RF + (cutoff 20 IU/mL), (%)
53 (64.6%)
—
—
ACPA + (cutoff 25 U/mL), (%)
41 (50.0%)
—
—
Number of swollen joints, median (range)
4 (0–24)
—
—
DAS 28, median (range)
5.01 (1.49–8.49)
—
—
Treatment
—
Methotrexate
46 (56.1%)
—
—
Other nonbiologic DMARDs
33 (40.2%)
—
—
Anti-TNF therapy
23 (28.0%)
—
—
Steroids
62 (75.6%)
—
—
: number of subjects; NS: not significant; Anti-TNF, anti-tumour necrosis factor; BMI: body mass index; RF: rheumatoid factor; ACPA: anti-citrullinated protein antibody; DAS 28: Disease Activity Score of 28 joints; DMARDs: disease-modifying antirheumatic drugs.
