The Resistive Index Is a Marker of Renal Function, Pathology, Prognosis, and Responsiveness to Steroid Therapy in Chronic Kidney Disease Patients

Table 3

The hazard ratios of possible risk factors for CKD progression as determined by univariate and multivariate analyses using the Cox proportional hazard model (𝑛=202).

	Univariate analysis			Multivariate analysis
	Hazard ratio	95% CI	P value	Hazard ratio	95% CI	P value
Age ≥ 60	4.67	2.03–10.77	<0.001	2.60	1.09–6.22	0.031
Gender: male	1.07	0.49–2.37	0.861
Systolic BP ≥ 140 mmHg	4.62	2.11–10.14	<0.001
Urinary protein > 1.5 g/gCr	18.64	2.52–138.00	0.004	7.76	1.00–60.14	0.049
eGFR < 50 mL/min/1.73 m^2	14.80	4.40–49.74	<0.001	5.12	1.48–17.70	0.010
GS score ≥ 2	31.99	7.53–135.97	<0.001	9.49	2.02–44.50	0.004
AS score ≥ 1	7.42	2.78–19.79	<0.001
TI score ≥ 2	14.90	4.45–49.83	<0.001	3.20	0.89–11.46	0.074
Resistive index ≥ 0.7	5.83	2.65–12.85	<0.001
Renal length < 9 cm	2.33	0.31–17.24	0.409	3.94	0.47–32.96	0.207