Table 1 Relative frequencies of the HCV genotypes, subtypes and NS5B polymorphisms in patients included in the current study.

From: Epidemic history of hepatitis C virus genotypes and subtypes in Portugal

HCV genotype/subtype

Age, median (IQR)#

Patients with polymorphisms

% of patients with polymorphisms within each genotype/subtype

 

N = 230 (%)

N = 216 (93.9%)

%*

1a clade I

23 (10.0)

37 (33–40)

14 (6.5)

60.9

1a clade II

85 (37.0)

40 (36–47)

83 (38.4)

97.6

1b

35 (15.2)

53 (36–60)

32 (14.8)

91.4

1 g

1 (0.4)

53

1 (0.5)

100.0

2

3 (1.3)

57

3 (1.4)

100.0

2a

2 (0.9)

44

2 (0.9)

100.0

2c

2 (0.9)

47

2 (0.9)

100.0

3a

42 (18.3)

42 (35–48)

42 (19.4)

100.0

4a

24 (10.4)

40 (34–46)

24 (11.1)

100.0

4b

1 (0.4)

69

1 (0.5)

100.0

4d

10 (4.3)

42 (39–46)

10 (4.6)

100.0

4 f

1 (0.4)

60

1 (0.5)

100.0

4k

1 (0.4)

46

1 (0.5)

100.0

  1. #IQR, interquartile range; *Relative to the total number of patients with polymorphisms (n = 216).