Table 3.

Hazard ratio of different groups according to NT-proBNP and GFR levels (Kaplan-Meier method).

HR	A	B	C	D
(95%CI)
A	–	3.71*	2.20*	5.93*
		(1.7–8.03)	(1.35–3.60)	(3.17–11.10)
B	0.27*	–	0.59	1.60
	(0.12–0.58)		(0.27–1.31)	(0.66–3.86)
C	0.45*	1.68	–	2.69*
	(0.28–0.74)	(0.76–3.71)		(1.41–5.15)
D	0.17*	0.62	0.37*	–
	(0.09–0.32)	(0.26–1.51)	(0.19–0.71)

The data in the table were HR values and 95% confidence intervals compared between each group.

^*represented comparison between groups P <0.05.