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Table 1 Characteristics of 791 patients with rheumatoid arthritis from three Brazilian referral centers

From: High prevalence of obesity in rheumatoid arthritis patients: association with disease activity, hypertension, dyslipidemia and diabetes, a multi-center study

Variable N = 791 (100.0%)
Female sex (n; %) 687 (86.9)
Non-white race/color (n; %) 313 (40.1)
Age
 Mean ± SD 54.7 ± 12.0
 Minimum; maximum 21; 85
Age group (n; %)
  < 40 years 89 (11.5)
 40–49 years 159 (20.5)
 50–59 years 257 (33.1)
 60–69 years 190 (24.4)
  ≥ 70 years 82 (10.5)
Disease duration (years)
 Mean ± SD 12.8 ± 8.9
 Minimum; maximum 0; 56
Disease duration (categories)
  < 5 years 135 (17.2)
 5–9 years 193 (24.6)
 10–14 years 183 (23.4)
 15–19 years 115 (14.7)
 20–24 years 78 (10.0)
  ≥ 25 years 79 (10.1)
Increased WC (IDF) (n; %) 288 (37.8)
Increased WC (NCEP) (n; %) 250 (32.6)
BMI
 Mean ± SD 27.1 ± 4.9
 Minimum; maximum 17.0; 47.0
Overweight (BMI > 24.99 & < 30) 514 (64.8)
Obesity (BMI > 29.99) 209 (26.9)
Diabetes mellitus (n; %) 119 (15.0)
Systemic arterial hypertension (n; %) 389 (49.2)
Dyslipidemia (n; %) 265 (34.3)
Family history of CVD (n; %) 129 (16.5)
Smoking (n; %) 93 (13.0)
Use of methotrexate (n; %) 531 (67.3)
Use of prednisone (n; %) 492 (62.6)
Use of leflunomide (n; %) 273 (34.5)
Use of methotrexate + prednisone (n; %) 226 (29.0)
Use of methotrexate + leflunomide (n; %) 44 (5.7)
Use of prednisone + leflunomide (n; %) 70 (9.0)
C-reactive protein
 Mean ± SD 20.2 ± 81.6
 Minimum; maximum 0; 1730
C-reactive protein > 5 (n; %) 395 (61.1)
Rheumatoid factor (n; %) 530 (75.0)
DAS28
 Mean ± SD 4.07 ± 1.54
 Minimum; maximum 0.0; 8.64
DAS28 (categories) (n; %)
 Remission 123 (17.3)
 Low activity 102 (14.4)
 Moderate activity 302 (42.6)
 High activity 182 (25.7)
ESR
 Mean ± SD 28.2 ± 22.1
 Minimum; maximum 0; 150
Metabolic syndrome
 NCEP (n;%) 250 (32.6)
 IDF (n;%) 288 (37.8)
  1. SD standard deviation, IQI interquartile interval, WC waist circumference, CVD cardiovascular disease, ESR erythrocyte sedimentation rate, BMI body mass index, DAS28 disease activity score in 28 joints, IDF International Diabetes Federation, NCEP National Cholesterol Education Program Adult Treatment Panel III