Risk factors for deterioration of long-term liver function after radiofrequency ablation therapy

Table 4 Multivariate analysis of risk factors that contributed to a worsening Child-Pugh scores following radiofrequency ablation for hepatitis C virus patients (n = 111)

Variable	HR	95%CI	P-value
CP class (B vs A)	4.90	2.05-11.7	0.000
Platelet count (104/μL) (< 10 vs≥ 10)	3.96	1.40-11.2	0.009
AST (IU/L) (≥ 40 vs < 40)	5.25	0.98-28.0	0.052
ALT (IU/L) (≥ 35 vs < 35)	1.11	0.33-3.73	0.865

A worsening Child-Pugh (CP) score was defined as a 2 point increase. AST: Aspartate aminotransferase; ALT: Alanine aminotransferase.