Table 3.
Probability of being in the highest quartile of the distribution of BASRI-S/duration of AS, based on the presence of different prognostic factors. Probabilities were computed separately for men and women.
| Age of onset | Current smoker | HLA-B*4100 | DRB1*0804 | DRB1*0801 | DQA1*0401 | DQB1*0603 | DPB1*0202 | Probability Men | Probability Women |
|---|---|---|---|---|---|---|---|---|---|
| 23.1 | − | − | − | − | − | − | − | .181 | .104 |
| 18.0 | − | − | − | − | − | − | − | .115 | .064 |
| 30.0 | − | − | − | − | − | − | − | .311 | .192 |
| 23.1 | + | − | − | − | − | − | − | .511 | .354 |
| 23.1 | − | + | − | − | − | − | − | .721 | .577 |
| 23.1 | − | − | + | − | − | − | − | .731 | .588 |
| 23.1 | − | − | − | − | + | − | − | .537 | .378 |
| 23.1 | − | − | − | − | − | + | − | .43 | .284 |
| 23.1 | − | − | − | − | − | − | + | .838 | .731 |
| 23.1 | − | − | − | + | − | − | − | .006 | .003 |
| 23.1 | + | + | − | − | − | − | − | .924 | .865 |
| 23.1 | − | − | + | − | + | − | − | .935 | .882 |
| 23.1 | − | − | − | + | + | − | − | .030 | .016 |