Table 1 Demographic data and clinical features of AS patients and healthy controls recruited in this study
| Characteristics |
AS patients N = 455 (%) |
HCs N = 450(%) | P-value |
|---|---|---|---|
| Sex (Male) | 387 (85.1%) | 393 (87.3%) | 0.37 |
| Age | 38.10 ± 10.46 | 36.60 ± 8.25 | 0.86 |
| ESR | 20.28 ± 20.19 | 5.84 ± 6.18 | < 0.001*** |
| Age symptom | 23.38 ± 8.43 | – | NA |
| Age diagnosis | 30.93 ± 9.45 | – | NA |
| Disease duration | 14.88 ± 9.37 | – | NA |
| NRSBASG | 9.73 ± 5.36 | – | NA |
| ASQOL | 7.67 ± 5.26 | – | NA |
| BASMI | 4.07 ± 1.86 | – | NA |
| BASDAI | 4.72 ± 2.48 | – | NA |
| BASFI | 3.82 ± 2.59 | – | NA |