Precise prediction model and simplified scoring system for sustained combined response to interferon-α

Table 3 Inter-variable correlations determined by the Spearman rank correlation coefficient

	Gender	Age	Grading	Staging	ALT	AST	DNA1	Genotype	Duration	Y F6 m2
Gender	1.00
Age	0.06	1.00
Grading	-0.11a	0.05	1.00
Staging	-0.06	0.08	0.74b	1.00
ALT	0.05	-0.01	0.13b	0.02	1.00
AST	-0.13b	-0.04	0.25b	0.17b	0.73b	1.00
DNA1	-0.09	0.04	-0.04	-0.10a	0.07	0.09a	1.00
Genotype	0.09a	0.00	-0.01	0.01	0.09	0.03	-0.12b	1.00
Duration	0.05	-0.03	-0.02	0.03	0.00	-0.04	0.03	0.02	1.00
Y F6 m	0.05	-0.01	-0.03	0.00	-0.39b	-0.35b	0.06	0.25b	-0.07	1.00

^aP < 0.05,

^bP < 0.01;

¹log copies/mL;

²Response after 6 mo of follow-up. ALT: Alanine aminotransferase; AST: Aspartate aminotransferase.