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Table 3 Reinfection and reinfection rates among participants who reached SVR (n = 339)

From: Real-world hepatitis C treatment outcomes and reinfections among people who inject drugs at a needle and syringe program in Stockholm, Sweden

 

No reinfection (n = 296)

Reinfection (n = 43)

p value

Reinfection rates (RR)

RR/100 PY

CI 95%

 

n (%)

n (%)

   

Gender

n = 296

n = 43

   

 Men

228 (77.0)

31 (72.1)

0.45

8.7

6.2–12.1

 Women

68 (23.0)

12 (27.9)

 

11.5

6.8–19.6

Age

n = 296

n = 43

   

 Mean (SD)

46.2 (10.8)

38.7 (9.8)

< 0.0001

  

 Median (range)

48.7 (21–68)

36.0 (23–64)

   

Age interval

n = 296

n = 43

   

 < 35

54 (18.2)

16 (37.2)

< 0.01

20.6

13.3–31.9

 > 35

242 (81.8)

27 (62.8)

 

7.0

4.9–10.1

Country of birth

n = 292

n = 41

   

 Sweden

249 (85.3)

36 (87.8)

0.81

9.1

6.7–12.4

 Outside of Sweden

43 (14.7)

5 (12.2)

 

8.4

3.6–19.5

Living situation

n = 249

n = 35

   

 House/apartment

155 (52.4)

13 (37.1)

< 0.01

4.8

2.9–8.2

 Support housing

51 (17.2)

7 (20.0)

1.0

9.2

4.5–18.6

 Treatment home

17 (5.7)

3 (8.6)

0.72

11.6

4.0–33.5

 Prison

1 (0.3)

3 (8.6)

< 0.01

65.8

33.5–127.1

 Homeless

25 (8.4)

9 (25.7)

< 0.05

25.5

14.6–44.9

Predominantly drug injected

n = 295

n = 43

   

 Stimulants/CS

173 (58.6)

22 (51.1)

0.41

7.6

5.1–11.3

 Opioids/OP

109 (36.9)

18 (41.9)

0.61

11.5

7.4–17.7

 Mixed CS/OP

12 (4.1)

3 (7.0)

0.42

19.8

7.2–54.7

 Other

1 (0.3)

 

Duration of IDU

n = 289

n = 43

   

 Mean (SD)

23.8 (13.1)

14.4 (10.1)

< 0.0001

  

 Median (range)

23.4 (1–52)

13.0 (1–44)

   

Duration of IDU (interval)

n = 289

n = 43

   

 0–5

22 (7.6)

8 (18.6)

< 0.05

20.7

11.2–38.4

 5+ 

267 (92.4)

35 (81.4)

 

8.4

6.1–11.6

OAT

n = 296

n = 43

   

 Yes

93 (31.4)

13 (30.2)

1.0

9.3

5.6–15.7

 No

203 (68.6)

30 (69.8)

 

9.3

6.6–13.1

HIV

n = 296

n = 43

   

 Positive

17 (5.7)

2 (4.7)

1.0

9.0

2.4–33.7

 Negative

279 (94.3)

41 (95.3)

 

9.3

7.0–12.5