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Table 3 Detection rate of hepatitis C per 100,000 inhabitants by clinical variables (Brazil, 2008–2018)

From: A time series analysis of detection and mortality of hepatitis C in Brazil, 2008–2018

A) Likely source/mechanism of infection (proportion)

Source/mechanism of infection

%

Joinpoint regression model

2008

2018

Period

APC/AAPC

95% CI; p value

Trend

Sexual

7.8

9.0

2008–2018

1.0

− 0.8 to 2.9; p = 0.3

↔ 

Transfusion

14.2

6.7

2008–2018

− 8.3

− 11.0 to − 5.5; p < 0.001

2008–2013

− 4.3

− 9.3 to 1.0; p = 0.09

↔ 

2013–2018

− 12.1

− 16.7 to − 7.3; p < 0.001

Drug use

16.2

7.9

2008–2018

− 7.6

− 9.7 to − 5.4; p < 0.001

Vertical transmission

0.3

0.2

2008–2018

− 2.7

− 5.8 to 0.6; p = 0.09

↔ 

Work accident

0.5

0.4

2008–2018

− 6.5

− 9.2 to − 3.7; p < 0.001

Haemodialysis

0.6

0.5

2008–2018

− 4.3

− 6.1 to − 2.5; p < 0.001

Household

0.3

0.6

2008–2018

5.5

− 6.8 to 19.3; p = 0.4

↔ 

2008–2010

36.9

− 41.4 to 219.7; p = 0.3

↔ 

2010–2014

− 7.1

− 25.8 to 16.3; p = 0.4

↔ 

2014–2018

5.0

− 8.5 to 20.6; p = 0.3

↔ 

Others

12

9.1

2008–2018

− 2.7

− 6.4 to 1.2; p = 0.2

↔ 

2008–2013

0.3

− 2.1 to 2.8; p = 0.7

↔ 

2013–2016

− 10.5

− 23.9 to 5.3; p = 0.1

↔ 

2016–2018

2.3

− 15.3 to 23.5; p = 0.7

↔ 

Unknown/left blank

48.0

65.6

2008–2018

4.0

3.1 to 4.9; p < 0.001

B) Associated disease (HIV/AIDS) (proportion)

Associated disease (HIV/AIDS)

%

Joinpoint regression model

2008

2018

Period

APC/AAPC

95% CI; p value

Trend

Yes

12.0

6.9

2008–2018

− 5.3

− 12.1 to 2.1; p = 0.2

↔ 

2008–2013

− 7.4

− 12.5 to − 2.0; p < 0.001

2013–2016

4.8

− 24.3 to 45.1; p = 0.7

↔ 

2016–2018

− 14.0

− 38.5 to 20.3; p = 0.2

↔ 

No

73.0

79.5

2008–2018

0.8

0.3 to 1.3; p < 0.001

Unknown

15.0

13.7

2008–2018

− 0.7

− 3.6 to 2.3; p = 0.6

↔ 

2008–2011

6.4

− 4.3 to 18.3; p = 0.2

↔ 

2011–2018

− 3.6

− 6.1 to − 1.0; p < 0.001

C) Proportion of hepatitis C-HIV coinfection

Hepatitis C-HIV coinfection

%

Joinpoint regression model

2008

2018

Period

APC/AAPC

95% CI; p value

Trend

 

Brazil

12

6.9

2008–2018

− 5.3

− 12.1 to 2.1; p = 0.2

↔ 

 

2008–2013

− 7.4

− 12.5 to − 2.0; p < 0.001

 

2013–2016

4.8

− 24.3 to 45.1; p = 0.7

↔ 

 

2016–2018

− 14.0

− 38.5 to 20.3; p = 0.2

↔ 

 

North

4.1

3.5

2008–2018

4.1

− 0.8 to 9.2; p = 0.09

↔ 

 

Northeast

3.1

4.6

2008–2018

3.7

− 3.4 to 11.4; p = 0.3

↔ 

 

Southeast

12

6.2

2008–2018

− 4.7

− 7.5 to − 1.8; p < 0.001

 

South

15.8

9.3

2008–2018

− 4.5

− 5.7 to − 3.3; p < 0.001

 

Central-West

8.9

6.0

2008–2018

− 1.8

− 3.8 to 0.3; p = 0.008

↔ 

 
  1. Trend classification: ↔ stationary; ↑ increasing; ↓ decreasing. AAPC = average annual percent change. APC annual percent change, CI confidence interval
  2. Confirmed cases of hepatitis C: until 2014, both anti-HCV and HCV-RNA tests reagent; from 2015 onwards, at least one of the tests reagent, anti-HCV or HCV-RNA