Table 1 Baseline patient characteristics
With radiographic data available from baseline and 5 years (n = 162) | With radiographic data available from baseline and 5 years and DXA at baseline (n = 97) | |
|---|---|---|
Demographics and history | ||
Female sex, n (%) | 114 (70) | 72 (74) |
Age (years) | 62 (52–70) | 63 (52–71) |
Symptom duration (months) | 7 (5–10) | 8 (6–10) |
Time to first DMARD (months)a | 5 (3–7) | 5 (4–7) |
RF positive, n (%) | 105 (65) | 56 (58) |
Anti-CCP positive, n (%) | 83 (59) | 55 (59) |
Cigarette smoking status | ||
Current smokers, n (%) | 49 (32) | 32 (33) |
Previous smokers, n (%) | 51 (33) | 33 (34) |
Never smokers, n (%) | 55 (36) | 32 (33) |
Anthropometrics | ||
BMI (kg/m2) | 25 (23–28) | 25 (23–27) |
Obese, n (%)b | 19 (12) | 6 (6) |
Overweight, n (%)b | 69 (45) | 46 (48) |
Normal BMI, n (%)b | 66 (43) | 43 (45) |
Body composition | ||
Truncal to peripheral fat ratio | 1.08 (0.89–1.27) | 1.08 (0.89–1.27) |
Total body fat percentage | 35 (27–40) | 35 (27–40) |
Fat mass index | 8.64 (6.07–10.52) | 8.64 (6.07–10.52) |
Fat free mass index | 15.60 (14.90–16.97) | 15.60 (14.90–16.97) |
Fat mass lean mass index | 0.56 (0.39–0.72) | 0.56 (0.39–0.72) |