Table 3 IFNL4 haplotype combination and associated clearance phenotypes.

From: Reduced IFNλ4 activity is associated with improved HCV clearance and reduced expression of interferon-stimulated genes

Diplotype*

N

Proportion of patients

IFNλ4 production

SVR

% SVR

CHI

SC

% SC

   

70P

70S

+

    

TT G/TT G

277

0.398

39

156

0.800

195

82

0.296

TT G/ΔG G

231

0.332

+

111

105

0.486

216

15

0.065

TT G/ΔG A

110

0.158

+

30

64

0.681

94

16

0.146

ΔG G/ΔG G

39

0.056

+

17

17

0.500

34

5

0.128

ΔG A/ΔG G

29

0.042

+

+

19

8

0.296

27

2

0.069

TT G/TT A

5

0.007

0

4

1.000

4

1

0.200

ΔG A /ΔG A

4

0.006

+

0

3

1.000

3

1

0.250

TT A/TT A

1

0.001

0

1

NA

1

0

NA

  1. CHI, chronic infection; IFNλ, interferon-lambda; NA, not applicable; SC, spontaneous clearance; SVR, sustained viral response.
  2. *Diplotypes are composed of rs368234815, which can be either TT or ΔG, and rs117648444, which can be either G or A.