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Table 1 Characteristics of the study population and prevalence of HCV infection in at-risk groups by age, gender and year, Lazio, 1997- 2001

From: Hepatic and extra-hepatic sequelae, and prevalence of viral hepatitis C infection estimated from routine data in at-risk groups

  

drug users

blood

surgery patients

allogenic transplant patients

 

dialysis

  

not

transfus

digestive

append

gynae-

 

lungs

bone

 
 

patients

all

injectors

injectors

patients

system

ectomy

cological

obstetr

heart

marrow

kidney

Subjects No.

8562

29,756

24101

5472

20,841

212,983

32,384

96,480

217,776

127

401

679

% males

60.1

86.4

85.3

90.8

48.3

60.6

46.8

  

56.7

52.9

61.0

mean age (yrs)

64.0

32.2

32.6

30.5

67.8

57.4

25.0

47.8

31.0

32.6

34.2

39.8

   SD

16.3

7.9

7.2

10.4

18.3

17.1

16.4

14.2

5.3

21.9

17.4

14.1

HCV infection prevalence

            

No. infected people

1807

10,459

10137

307

1001

7237

270

1251

1342

3

11

52

mean age (yrs)

62.5

34

33.6

34.4

64.7

62.1

37.9

53.7

32.1

42.1

37.5

42.6

   SD

15.5

7

6.6

9.1

17.0

14.9

22.0

14.1

5.6

29.9

15.0

12.0

prevalence %

21.1

35.1

42.1

5.6

4.8

3.4

0.8

1.3

0.6

2.4

2.7

7.7

   95% CI

20.2-22.0

34.6-35.7

41.4-42.7

5.0-6.3

4.5 - 5.1

3.3 - 3.5

0.7 - 0.9

1.2 - 1.4

0.5 - 0.6

0.5 - 6.7

1.4 - 4.9

5.8 - 9.9

by age (yrs)

            

   <15

13.1

2.4

4.6

2.9

1.4

1.4

0.7

0.4

1.4

0

1.6

5.0

   15-24

14.6

17.1

26.8

2.9

2.0

2.0

0.8

0.5

0.5

7.7

0

1.5

   25-34

22.5

34.2

40.0

4.6

7.1

7.1

1.9

0.9

0.6

0

3.9

6.5

   35-54

24.7

43.8

49.0

10.6

7.2

7.1

2.7

1.2

0.8

0

3.8

9.0

   55-74

22.2

11.9

23.1

4.0

5.1

5.1

3.9

2.8

5.9

3.3

2.3

9.0

   75+

17.8

0

0

0

3.9

3.9

4.4

3.5

0

0

0

0

by gender

            

   male

20.9

34

41.8

5.6

5.4

3.5

1.1

  

2.8

2.4

8

   female

21.5

42.5§

47.8

6.2

4.3

3.2§

0.56§

1.3

0.6

1.8

3.2

7.2

by year

            

   1997

32.1

45.8

49.9

7.7

2.3

2.9

 

1.2

0.5

2.7

3.9

9.1

   1998

30.2

42.3

47.4

6.4

3.3

2.7

 

1

0.4

0

3.1

1.4

   1999

26.5

39.4

45.3

6.1

2.8

2.7

 

1.1

0.5

3.8

0

7.7

   2000

24.3

36.8

43.2

5.5

2.4

2.5

 

0.9

0.5

0

0

1.9

   2001

23.1

34.6

41.6

5.6

3.2

2.4

 

0.9

0.5

0

6.5

8.3

p-value for trend

0.002

0.001

0.001

0.03

0.6

0.01

 

0.04

0.6

  

0.1

  1. § statistically significant (p < 0.05)
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BMC Infectious Diseases

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