Table 4.

Exploration of independent factors for decline of estimated glomerular filtration rate (i.e., progression of chronic kidney disease) by logistic regression analysis.

Variable	Estimate	PROB	Odds ratio	95% confidence interval
Age	0.0580	P = 0.018	1.060	1.010–1.112
Urinary protein	0.2015	P = 0.045	1.223	1.004–1.490