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Table 1 Baseline characteristics in 92 early rheumatoid arthritis patients

From: Generalized bone loss in early rheumatoid arthritis patients followed for ten years in the biologic treatment era

Patient data  
Age (years) 50.9 (13.3)
Women 57 (62.0)
Females in menopause (n = 51)* 36 (70.6)
Weight (kg) 74.5 (16.9)
Height (m) 1.69 (0.10)
BMI (kg/m2) 25.8 (4.4)
Current smoking 35 (38.0)
Disease data  
Symptom/disease duration (months) 12.4 (6.7)
Anti-CCP positive, (n = 82)** 54 (65.9)
High titer CCP positive >3X (n = 82)** 52 (63.4)
RF positive, (n = 86)* 57 (66.3)
High titer RF positive >3X (n = 86)** 46 (53.5)
ESR (mm/hr) 29.6 (21.2)
24.5 [21.0]
CRP (mg/dl) (n = 90)** 28.8 (34.4)
17.5 [27.3]
DAS28ESR3 5.2 (1.1)
MHAQ (0–3) (n = 91)** 0.68 (0.51)
  0.63 [0.75]
  1. Continuous variables with normal distribution are presented as mean with standard deviation (SD) whereas variables with non-normal distribution are also presented as median with interquartile range [IQR]. Categorical variables are presented as numbers and percentage (%).
  2. *Varies from 57 due to missing values.
  3. **Varies from 92 due to missing values.
  4. Anti-CCP data are the first available values in medical records.
  5. Values three times higher than upper limit of normal values for the test.
  6. BMI: Body mass index; Anti-CCP: Anti cyclic citrullinated peptide; RF: Rheumatoid factor; ESR: Erythrocyte sedimentation rate; CRP: C-reactive protein; DAS28ESR3: Disease activity score based on 28 joint count (swollen and tender joints) and ESR; MHAQ: Modified health assessment questionnaire.