Table 2.

Clinical data for hepatitis C patients treated with IFN-α

nIFN-α treatment (+)
1,115
Time from initiation of IFN treatment to blood collection (years) ​ 
<1 297 
1–5 364 
6–10 179 
11–15 112 
16–20 83 
>20 18 
Unknown 62 
No. of treatment lines ​ 
First line 673 
Second line 256 
Third line 101 
Fourth line 48 
>Fifth line 37 
Unknown 
Prior treatment with IFNβ 119 
Total duration of IFN treatment (months) ​ 
0–3 91 
4–6 294 
7–12 193 
13–18 124 
19–24 51 
25–30 37 
31–36 17 
>37 45 
Unknown 263 
Source of IFN-α2 preparations ​ 
Native IFN-α2 alone 127 
Recombinant IFN-α2 alone 746 
Both native and recombinant IFN-α2 242 
Ribavirin co-administration ​ 
Yes 563 
No 552 

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