Effective use of FibroTest to generate decision trees in hepatitis C

Table 3 Compound rules generated for classes F0 and F4 and the percentage of times that each rule was successfully applied

F0	F4
GGT ≤ 108 IU/L	Bilirubin > 1.2 mg/dL
A2M ≤ 280 g/L	GGT > 26 IU/L
Apo A1 > 144 g/L	A2M > 216 g/L
Age > 36 yr	Class F4 (95.6%)
Age ≤ 53 yr
Class F0 (79.4%)
	A2M > 335 g/L
	Haptoglobin ≤ 54.6 g/L
	Age > 53 yr
	Class F4 (95.5%)
Bilirubin ≤ 1.1 mg/dL
A2M ≤ 243 g/L
Apo A1 > 126 g/L
Haptoglobin > 73.5 g/L	Gender = M
Age ≤ 50 yr	Bilirubin > 0.5 mg/dL
Class F0 (77.7%)	A2M > 396 g/L
	Class F4 (91.7%)
	Bilirubin > 0.6 mg/dL
	Haptoglobin ≤ 16.2 g/L
	Class F4 (90.9%)
	GGT > 40 IU/L
	A2M > 372 g/L
	Age > 59 yr
	Class F4 (90.2%)