TABLE 1.
Characteristics of the participants.
| Characteristics | N = 354 |
|---|---|
| Age, median (IQR) (years) | 32.0 (27.0; 38.0) |
| Gender, yes, n (%) | |
| Male | 282 (79.7) |
| Income | |
| No salary | 125 (35.3) |
| ≤5,000 | 140 (39.6) |
| 5,000–10,000 | 58 (16.4) |
| 10,000–20,000 | 23 (6.5) |
| ≥20,000 | 8 (2.3) |
| Disease duration, median (IQR) (years) | 7.30 (2.76; 12.51) |
| Diagnostic delay, median (IQR) (years) | 1.09 (0.30; 4.08) |
| BASDAI, median (IQR) | 3.3 (2.3; 4.9) |
| State of the disease, n (%) | |
| Inactive, BASDAI < 4 | 213 (60.2) |
| Active, BASDAI ≥ 4 | 141 (39.8) |
| Extraarticular symptoms, n (%) | |
| Uveitis | 52 (14.7) |
| Inflammatory bowel disease | 54 (15.3) |
| Sausage-like fingers or toe | 8 (2.3) |
| Enthesitis | 86 (24.3) |
| Biologics’ history, n (%) | |
| Never | 39 (11.0) |
| Withdrawn or changed | 90 (25.4) |
| Being under treatment | 225 (63.6) |
| Recent non-biologic medication, n (%) | |
| None of any medication | 15 (4.2) |
| NSAIDs | 193 (54.5) |
| cDMARDs | 72 (20.3) |
| Traditional Chinese medication | 24 (6.8) |