Discriminative ability of the ASAS HI stratified by disease activity
| ASDAS status groups | ||||
|---|---|---|---|---|
| Inactive (n=245) | Moderate (n=283) | High (n=500) | Very high (n=289) | |
| ASAS HI | 2.9±3.1 | 5.1±3.5 | 7.3±3.6 | 10.4±3.5 |
| BASFI | 0.9±1.4 | 2.1±1.9 | 3.7±2.5 | 5.9±2.5 |
| BASDAI | 1.2±0.9 | 2.7±1.3 | 4.7±1.7 | 7.0±1.6 |
All values given as mean ± SD.