HR of death in patients with AAV across subgroups identified by cluster affiliation, multivariable Cox regression
| HR | LCL HR | UCL HR | p Value | |
| Female | 1 | (reference) | ||
| Male (0–1.85 years) | 1.89 | 0.92 | 3.90 | 0.084 |
| Male (1.85–8.5 years) | 0.84 | 0.46 | 1.55 | 0.582 |
| Male (>8.5 years) | 0.34 | 0.13 | 0.90 | 0.029 |
| Age (1-year increase) | 1.09 | 1.07 | 1.12 | <0.001 |
| Cluster A, non-renal | 1 | (reference) | ||
| Cluster B, renal with PR3 | 2.53 | 1.25 | 5.12 | 0.010 |
| Cluster C, renal without PR3 | 2.70 | 1.34 | 5.46 | 0.005 |
| Cluster D, cardiovascular | 6.38 | 2.52 | 16.15 | <0.001 |
| Cluster E, gastrointestinal | 3.98 | 1.52 | 10.39 | 0.005 |
Cluster affiliation for AAV (Mahr et al 8) with nine clinical variables and ANCA specificity.
AAV, ANCA-associated vasculitis; ANCA, antineutrophil cytoplasmatic antibody; LCL, lower confidence limit; PR3 proteinase 3; UCL; upper confidence limit.