Table 3

Annual seroprevalence rates and linear trend analysis of HCV infection in blood donors of interior Sindh

2004

2005

2006

2007

Overall prevalence

Chi Square test for trend p

Annual Prevalence

%(n*)

7.2(96)

5.7(89)

8.8(98)

8.9(119)

7.5(402)

0.02

95% CI

5.8–8.7

4.6–7.0

7.2–10.6

7.5–10.6

6.8–8.3

Sex

Male % (n)

7.1(94)

5.7(87)

8.8(96)

8.9(117)

7.5(394)

0.01

95% CI

5.8–8.6

4.6–6.9

7.2–10.6

7.4–10.6

6.8–8.2

Female % (n)

15.4(2)

9.1(2)

11.8(2)

12.5(2)

11.8(8)

0.94

Age

17–26 years %(n)

5.2(35)

4.5(36)

8.1(48)

6.8(47)

6.0(166)

0.06

95% CI

3.7–7.2

3.2–6.2

6.0–10.6

5.0–8.9

5.2–7.0

27–65 years %(n)

9.1(60)

7.0(53)

9.6(49)

11.4(72)

9.1(234)

0.08

95% CI

7.0–11.5

5.3–9.0

7.2–12.5

9.0–14.1

8.0–10.3

Literacy

Illiterate % (n)

8.6(71)

6.9(61)

10.1(67)

9.8(87)

8.8(286)

0.16

95% CI

6.8–10.8

5.4–8.8

7.9–12.7

7.9–12.0

7.8–9.8

Literate % (n)

4.7(24)

4.0(27)

6.8(30)

7.3(32)

5.5(113)

95% CI

3.1–7.0

2.6–5.7

4.7–9.6

5.0–10.1

4.5–6.5

0.03

Mother tongue

Sindhi % (n)

7.1(71)

6.1(76)

9.2(72)

9.4(98)

7.8(317)

0.01

95% CI

5.6–8.9

4.8–7.6

7.3–11.5

7.7–11.3

7.0–8.6

Others % (n)

7.3(25)

4.2(13)

7.8(26)

7.4(21)

6.7(85)

0.59

95% CI

4.8–10.6

2.2–7.0

5.2–11.2

4.6–11.1

5.2–8.2

Type of donor

First time % (n)

7.8(52)

7.7(51)

9.9(53)

8.5(61)

8.4(217)

0.44

95% CI

5.9–10.1

5.810.0

7.5–12.8

6.6–10.8

7.4–9.5

Second or more times % (n)

6.6(44)

4.2(38)

7.8 (45)

9.3(57)

6.7(184)

95% CI

4.8–8.7

3.0–5.7

5.7–10.3

7.1–11.9

5.8–7.7

0.01

* Total no. of infected blood donors

Mujeeb and Pearce BMC Infectious Diseases 2008 8:43   doi:10.1186/1471-2334-8-43