Skip to main content

Table 1 Baseline population characteristics

From: A rational use of glucocorticoids in patients with early arthritis has a minimal impact on bone mass

  Total (n = 116) RA (n = 78) UA (n = 38) P
Age 52.5 [38.5-65.6] 51.6 [43.0-66.7] 53.5 [34.0-64.5] NS
Female gender, n (%) 90 (77.6) 63 (80.7) 27 (71.1) NS
Disease duration (mo) 6.1 [4.2-9.1] 5.6 [4.0-8.4] 6.75 [4.5-9.8] NS
HAQ 1.0 [0.5-1.5] 1.1 [0.5-1.6] 0.8 [0.5-1.3] NS
DAS28 3.9 [3.2-5.2] 4.5 [3.6-5.8] 3.3 [2.8-4.6] 0.001
Rheumatoid factor, n (%) 45 (38.8) 38 (48.7) 7 (18.4) 0.002
Anti-CCP, n (%) 39 (33.6) 36 (46.1) 3 (7.9) <0.001
Comorbidities: n (%)     
   Hypertension 35 (30.2) 22 (28.2) 13 (34.2) NS
   Diabetes mellitus 13 (11.2) 8 (10.2) 5 (13.2) NS
   Thyroid dysfunction 17 (14.6) 15 (19.2) 2 (5.2) 0.1
Menopause (% of women) 58 59 56 NS
Age at menopause (years) 50 [44-52] 48 [44-50] 52 [50-53] 0.017
Calcium intake
(rare/moderate/high), (%)
15/62/23 14/65/21 16/58/26 NS
Smoking n (%) 28 (24.1) 19 (24.4) 9 (23.7) NS
Exercise (rare/moderate/intense) (%) 38/47/15 42/42/16 29/58/13 NS
Body mass index (kg/m2) 26.5 [24.5-30.5] 26.0 [24.0-30.0] 28.0 [26.0-30.9] NS
Prior personal fractures (%) 17 18 16 NS
Prior family fractures (%) 19 18 24 NS
  1. Data are shown as the percentage of patients or as the median and interquartile range.
  2. Abbreviations: anti-CCP, antibodies directed to cyclic citrullinated peptide; DAS28, disease activity score in 28 joints; HAQ, health assessment questionnaire; NS, not statistically significant; RA, rheumatoid arthritis; UA, undifferentiated arthritis.