A modified renal risk score for Chinese patients with antineutrophil cytoplasmic antibody-associated vasculitis

Table 2 Multivariable Cox analyses for ESRD

Parameters	Model 1 (n = 272)			Model 2 (n = 272)
Parameters	HR	95% CI	P	HR	95% CI	P
Age (per 10 years)	0.80	0.67–0.96	0.016	0.78	0.65–0.94	0.008
Sex (male subjects vs. female subjects)	1.36	0.86–2.14	0.187	1.28	0.81–2.02	0.284
Urinary protein (g/24 h, expressed as ln)	1.10	0.84–1.44	0.502	1.17	0.89–1.53	0.268
Hb (g/dL)	0.88	0.78–1.00	0.050	0.88	0.79–1.00	0.041
PLT (× 10⁹/L)	0.98	0.95–1.00	0.031	0.98	0.95–1.00	0.028
C3 deposition (> 1+ vs. ≤ 1+)	1.31	0.82–2.11	0.259	1.20	0.75–1.91	0.454
RRS	----	----	< 0.001	1.30	1.20–1.40	< 0.001
High	Ref.	----	----	----	----	----
Medium	0.27	0.16–0.46	< 0.001	----	----	----
Low	0.03	0.01-0.15	< 0.001	----	----	----

Abbreviations: CI confidence interval, C3 complement 3, ESRD end-stage renal disease, Hb hemoglobin, HR hazard ratio, ln natural logarithm, PLT platelet, RRS renal risk score

ISSN: 1741-7015