Prognostic value of 13C-phenylalanine breath test on predicting survival in patients with chronic liver failure

Table 1 Characteristics of 118 patients with chronic liver failure (n = 118, mean ± SD)

Variables	Surviving	Non-surviving	P
	n = 77	n = 41	value
Age (yr)	51.8 ± 10.6	55.8 ± 9.6	0.043
Sex (F/M)	49/28	22/19	0.292
Etiology
Alcoholic/others	15/62	8/33	0.997
Alcohol consumption	38	18	0.573
Pharmacological treatment	71	41	0.067
History of upper GI hemorrhage	53/24	28/13	0.952
Ascites	26	24	0.010
Encephalopathy	7	6	0.360
Albumin (g/L)	34 ± 6.0	29 ± 46	0.000
Total bilirubin (mmol/L)	27.4 ± 17.1	58.1 ± 99.2	0.059
Prothrombin time (%)	76.2 ± 18.9	67.6 ± 25.1	0.058
ALT (nkat/L)	1.2 ± 1.14	0.99 ± 0.81	0.247
AST (nkat/L)	1.3 ± 0.99	1.63 ± 0.81	0.370
AP (nkat/L)	4.18 ± 3.38	4.50 ± 3.41	0.623
Creatinine (mmol/L)	13.7 ± 3.4	22.2 ± 30.8	0.100
Glucose (mmol/L)	6.3 ± 2.4	5.8 ± 1.2	0.216
Child Pugh class
Class A	45	6
Class B	23	26	0.000
Class C	9	9
Child-Pugh score (points)	6.7 ± 1.9	8.3 ± 2.1	0.000
13C-phenylalanine oxidation (%)	4.9 ± 2.9	3.8 ± 2.2	0.027