External validation of a modified model of Acute Physiology and Chronic Health Evaluation (APACHE) II for orthotopic liver transplant patients

Table 1 Characteristics of patients

Characteristic	All patients	Survivors	Non-survivors	P
Number of patients	174	164	10
Age (years)	50 ± 12	49.82 ± 2.09	49.60 ± 9.25	NS
Females/males	70/104	66/98	4/6	NS
Hepatitis C	46 (26)	42	4	NS
EtOH	22 (13)	21	1	NS
HCV-EtOH	25 (14)	23	2	NS
Other	81 (47)	78	3	NS
APACHE II score	13.81 ± 5.26	13.46 ± 5.06	19.50 ± 5.56	0.001
ROD original model	12.96 ± 10.25	12.27 ± 9.60	24.28 ± 4.12	0.001
ROD new model (%)	8.89 ± 8.08	8.37 ± 7.60	17.37 ± 11.14	0.001
SMR original model; 95% CI	0.44; 0.22–0.80
SMR new model; 95% CI	0.65; 0.31–1.16

Figures in parentheses are percentages. EtOH, alcohol liver disease; HCV, hepatitis C virus; NS, not significant; ROD, risk of death; SMR, standardized mortality ratio.

ISSN: 1364-8535