Table 3.

Multivariate analysis of parameters associated with 30-day mortality

Variables						Bootstrap for variable in equation
		Coeff.	P	Adjusted	95% C.I.for OR		Bias	Std.	P	95% CI of B
		B	value	OR	Lower	Upper		Error	value	Lower	Upper
Albumin (g/dl)	> 3		0.00
	2–3	1.13	0.00	3.10	2.24	4.29	−0.03	0.18	0.010	0.83	1.53
	< 2	2.59	0.00	13.32	9.31	19.05	0.03	0.19	0.010	2.22	3.01
BUN (mg/dl)	≤20		0.00
	20–39	0.57	0.00	1.77	1.37	2.29	0.02	0.14	0.010	0.28	0.92
	40–59	1.05	0.00	2.86	2.09	3.92	0.03	0.15	0.010	0.79	1.36
	≥60	1.28	0.00	3.61	2.49	5.24	0.01	0.20	0.010	0.97	1.72
Age (years)	≥75	0.93	0.00	2.53	1.98	3.22	−0.00	0.11	0.010	0.60	1.18
Magnesium (mg/dl)	≥2/≤1.35	0.63	0.00	1.87	1.42	2.48	−0.01	0.11	0.010	0.27	0.91
Inoraganic phosphorous (mg/dl)	≥4.5	0.83	0.00	2.29	1.77	2.96	0.00	0.11	0.010	0.58	1.18

Abbreviations: OR odds ratio, CI confidence interval, BUN blood urea nitrogen