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Table 1 Demographic and anthropometric characteristics and co-morbidities of RA patients

From: Association between periodontitis and anti-citrullinated protein antibodies in rheumatoid arthritis patients: a cross-sectional study

 Anti-CCP negative (N = 55)Anti-CCP positive (N = 109)p valueTotal (N = 164)
Gender  0.815 
 Female42 (76%)85 (78%) 127 (77%)
 Male13 (24%)24 (22%) 37 (23%)
Ratio F/M   3.4
 Mean age (SD) years54.9 (9.79)53.7 (10.81)0.49054.1 (10.46)
Race
 Caucasian54 (98%)105 (96%)0.723159 (97%)
Graffar  0.064 
 High1 (2%)10 (9%) 11 (6%)
 Medium17 (31%)16 (14%) 33 (20%)
 Low21 (38%)39 (36%) 62 (37%)
 Relative poverty14 (25%)38 (35%) 52 (32%)
 Extreme poverty2 (4%)6 (6%) 8 (5%)
Annual dental prophylaxis29 (54%)42 (39%)0.06671 (44%)
Median ESR (P25;P75) (mm/h)19.5 (9.8; 32.0)26.0 (16.5; 36.5)0.01724.0 (12.0; 34.0)
Median CRP (P25;P75) (mg/L)2.8 (1.2; 5.0)3.4 (1.62; 7.3)0.0773.4 (1.4; 6.2)
Bone mineral density  0.624 
 Normal21 (48%)34 (41%) 55 (43%)
 Osteopenia15 (34%)28 (34%) 43 (34%)
 Osteoporosis8 (18%)21 (25%) 29 (23%)
Tobacco  0.709 
 Never30 (54%)59 (54%) 89 (54%)
 Former smoker13 (24%)31 (28%) 44 (27%)
 Current12 (22%)19 (17%) 31 (19%)
Stress9 (17%)36 (33%)0.02845 (28%)
Diabetes (total)10 (18%)8 (7%)0.03618 (11%)
 Type II9 (16%)6 (5%)0.07415 (9%)
Dyslipidemia27 (49%)56 (51%)0.31883 (50%)
 Hypercholesterolemia12 (22%)31 (28%) 43 (26%)
 Hypertriglyceridemia4 (7%)13 (12%) 17 (10%)
 Mixed hyperlipidemia11 (20%)12 (11%) 23 (14%)
Hypertension18 (33%)33 (30%)0.74951 (31%)
Myocardial infarction2 (4%)5 (5%)0.7767 (4%)
Mean BMI (SD) (kg/m2)27.1 (3.69)28.1 (5.20)0.17427.8 (4.8)
Categories  0.026 
 Normal, 18.5–24.9914 (25%)33 (30%) 47 (29%)
 Overweight, 25–29.9930 (55%)38 (35%) 68 (41%)
 Obesity I, 30–34.9911 (20%)28 (26%) 39 (24%)
 Obesity II, ≥ 3510 (9%) 10 (6%)
  1. Data represent numbers, percentages, mean (SD), or median (P25; P75)
  2. Anti-CCP anti-cyclic citrullinated peptide, BMI body mass index, CRP C-reactive protein, ESR, erythrocyte sedimentation rate, RA rheumatoid arthritis, SD standard deviation