Therapeutic status in GCA patients defined by HLA DRB1*04 groups
| 20 GCA patients with DRB1*04 | 21 GCA patients without DRB1*04 | ||
|---|---|---|---|
| Corticosteroid >20 mg/day (n=9) | 8 | 1 | p<0.001 |
| Corticosteroid <20 mg/day (n=32) | 12 | 20 |
Uncorrected χ2 7.42, p 0.0064, RR 2.37 1.43 <RR <3.92 95% CI, Fisher exact tailed p value 0.008.