Table 3.

Multivariable Cox regression analysis of overall 2-year survival in the entire cohort

Variable	HR (95% CI)	P Value
Age (per year)	1.13 (1.06 to 1.21)	<0.001
Male sex	1.20 (0.65 to 2.18)	0.56
BVAS (per point)	0.92 (0.86 to 0.98)	0.01
MPO/P-ANCA	0.67 (0.37 to 1.24)	0.20
CRP (per quartile)	1.13 (0.85 to 1.51)	0.39
Creatinine (per quartile)	1.35 (1.03 to 1.76)	0.03
Comorbidity score (per point)	1.22 (0.84 to 1.78)	0.30

Individual data missing in 15 patients, analysis performed on a total of 136 patients. BVAS, Birmingham Vasculitis Activity Score; MPO, myeloperoxidase; P-ANCA, perinuclear ANCA; CRP, C-reactive protein; HR, hazard ratio; 95% CI, 95% confidence interval.