Table 5.

Selected predictive variables for a multivariable model of mortality

	Coefficient	Wald	Odds ratio (95% CI)		p value
Age, (years)	0.07	5.33	1.07	1.01–1.13	0.021
Comorbidity of hemodialysis	2.46	6.03	11.7	1.65–83.89	0.014
Albumin, (g/dL)	-0.65	3.12	0.52	0.26–1.07	0.078
Uncommon etiology (other than diverticulitis, cancer)	1.41	5.38	4.11	1.24–13.57	0.020
Reduction of platelet count ≧ 25 (%)	-0.06	10.82	0.94	0.91–0.98	0.001

Omnibus tests of model coefficients: p < 0.001, R square = 0.486

Wald Wald statics, 95% CI 95% confidential interval.