Table 3.

Cox proportional hazard regression for mortality risk by ESA category (n=820)

	Hazard ratio	95 % confidence Interval	p value
ESA category (U/kg/week)a
1. No ESA	2.71	0.81–9.00	0.39
2. EPO: 0 to <100/DARBO: 0 to <0.49	1.62	0.54–4.90	0.10
3. EPO: 200 to <350/DARBO 1 to <1.5	1.81	0.67–4.87	0.24
4. EPO ≥350/DARBO ≥1.5	3.37	1.37–8.26	0.01
Race
Black vs white	1.36	0.77–2.41	0.29
Other vs white	0.98	0.42–2.28	0.97
Diagnosis
Urological vs other	0.42	0.21–0.81	0.01
SLE vs other	0.43	0.97–1.90	0.27
FSGS vs other	0.57	0.23–1.38	0.21
Hemoglobin≥11 g/dL (yes vs no)	0.79	0.47–1.33	0.37
Albumin≥3.5 g/dL BCG/3.2 g/dL BCP (yes vs no)	0.66	0.38–1.14	0.13
Dialysis modality
HD AVG/AVF vs PD	0.47	0.17–1.27	0.14
HD with catheter vs PD	2.14	1.19–3.86	0.01
Age (per 1 year increase)	0.91	0.86–0.96	0.001
Male vs female	1.3	0.76–2.23	0.34
Kt/V ≥1.2 (HD)/1.8 (PD) vs <1.2/1.8	0.63	0.32–1.23	0.01
Time on dialysis ≥1 year vs <1 year	1.26	0.73–2.19	0.40

^aESA dose category EPO 100 to <200/DARBO 0.49 to 1.0 U/kg/week reference