Table 2.

Factors influencing HCV treatment outcomes.

Host factors	Viral factors
• High degree of fibrosis	• Genotype 1
• Age >40 or 50 at time of infection	• Viral load > 2 million copies/ml
• Male sex
• Weight >75 kg; 165 lbs	• Large number of quasispecies (a measure of the HCV genome heterogeneity)
• African-American
• Long duration of infection
• HIV co-infection