Table 1 Baseline characteristics of 102 patients with rheumatoid arthritis
Characteristic/factor | Value |
|---|---|
Gender, female, no. (%) | 88 (86.3) |
Age, mean ± SD years | 55.0 ± 11.7 |
BMI, mean ± SD kg/m2 | 22.6 ± 3.3 |
Disease duration, mean ± SD years | 8.4 ± 8.7 |
Education, years, no. (%) | |
  ≤ 9 years | 73 (71.6) |
  > 9 years | 29 (28.4) |
Employment status, no. (%) | |
 Full-time work | 63 (61.8) |
 Part-time work | 37 (36.2) |
 Unemployed | 2 (2.0) |
Income/person/month, Yuan, no. (%) | 54 (52.9) |
  ≤ 1000 Yuan | 35 (34.3) |
 1000–3000 Yuan | 12 (11.8) |
 3000–5000 Yuan | 1 (1.0) |
  ≥ 5000 Yuan | 95 (93.1) |
Health insurance, yes, no. (%) | 36 (35.3) |
Comorbid condition, yes, no. (%) | 43.1 ± 27.2 |
VAS pain (range 0–100), mean ± SD | 4.1 ± 6.0 |
28-TJC, mean ± SD | 54 (52.9) |
28-SJC, mean ± SD | 2.6 ± 3.8 |
DAS28, mean ± SD | 3.7 ± 1.5 |
NAIDS usage, yes, no. (%) | 42 (41.2) |
DMARDs usage, yes, no. (%) | 93 (91.2) |
Corticosteroids usage, yes, no. (%) | 43 (42.2) |
Biologics usage, yes, no. (%) | 4 (3.9) |
ESR, mean ± SD mm/h | 25.7 ± 24.9 |
CRP, mean ± SD mg/L | 15.5 ± 24.5 |
RF positivity, yes, no. (%) | 80 (78.4) |