Table 5.

Association between patient characteristics at baseline and incidence of ESRD

Baseline variables	HR	95% Lower	95% Upper	P-value
Demographics
Age, per year	1.038	0.996	1.081	0.078
Sex (female versus male)	0.667	0.166	2.677	0.57
Laboratory measures at baseline
Serum creatinine, per 1 mg/dL	4.501	1.940	10.443	0.001
eGFR, per 10 mL/min/1.73 m2	0.294	0.127	0.680	0.004
Systolic BP, per 10 mmHg	1.726	1.294	2.303	<0.001
Diastolic BP, per 10 mmHg	0.928	0.480	1.796	0.83
Estimated proteinuria, per 0.5 g	1.375	1.154	1.639	<0.001
Baseline hematuria, per degreea (ordinal)	0.853	0.639	1.140	0.28
Hematuria (≥3 RBCs/hpf versus <3 RBCs/hpf)	1.458	0.180	11.811	0.72
Histology at biopsy
M (1 versus 0)	1.368	0.171	10.971	0.77
E (1 versus 0)	0.761	0.158	3.678	0.73
S (1 versus 0)	4.643	0.578	37.287	0.15
T (≥1 versus 0)	12.208	1.525	97.707	0.018
C (≥1 versus 0)	0.986	0.246	3.944	0.98
RASB	1.242	0.333	4.633	0.75

^aDegree of hematuria treated as ordinal variable with the following levels: as 0, <3, 3–10, 11–20, 21–30, 31–40, 41–50, 51–100, >100.

P-values in bold denote significance at the 0.05 level.

BP, blood pressure.