Skip to main content

Table 2 Determinants of CHC treatment decision in CHC patients >3 months on OMT

From: Patients receiving opioid maintenance treatment in primary care: successful chronic hepatitis C care in a real world setting

Determinants

Treatment start (n=35)

No CHC treatment (n=50)

P-value*

 

% (n) or median [IQR]

% (n) or median [IQR]

 

Demographics:

   

Male

65.7 [23]

58 [29]

 

Female

34.3 [12]

42 [21]

0.48

Age (years)

41.8 (37.2-45.1)

37.5 (34.8-43.8)

0.06

Age beginning OMT (years)

35.0 (31.9-39.9)

33.4 (29.2-39.1)

0.45

Opiate maintenance therapy:

   

Methadone

88.5 (31)

92 (46)

 

Buprenorphin

8.6 [3]

2 [1]

 

Morphin

2.9 [1]

6 [3]

0.51

Single OMT therapy

88.6 (31)

86 (43)

 

Use of ≥1 different opiate in the past

11.4 [4]

14 [7]

1.0

Duration of OMT (months)

55.0 (35.0-110.1)

24.0 (9.8-46.3)

<0.001#

Average methadone dose during OMT (mg)

73 (50–120)

73 (50–122)

0.83

Psychiatric comorbidity:

   

None or stable disorder

68.6 [24]

52 [24]

 

Unstable disorder

31.4 [11]

48 [26]

0.060

Injection drug use (IDU):

   

In the past, yes

91 (32)

94 (47)

 

In the past, no

9 [3]

6 [3]

0.69

Current, yes

8.6 [3]

24 [12]

 

Current, no

91.4 (32)

76 (38)

0.086

Other drug and excessive alcohol use:

   

Current heroin use

20 [7]

32 [16]

 

No heroin use

80 [28]

68 (34)

0.22

Current cocaine use

25.7 [9]

26 [13]

 

No cocaine use

74.3 [26]

74 (37)

0.98

Current benzodiazepine use

14.7 [5]

26 [12]

 

No benzodiazepine use

85.3 [29]

74 (38)

0.41

Excessive alcohol use

28.6 [10]

34 [17]

 

No alcohol excess

71.4 [25]

66 (33)

0.60

Occupational and housing variables:

   

Employability (%)

60 (30–100)

60 (30–100)

0.52

Single household

40 [14]

34 [17]

 

Shared household

51.4 [18]

56 [28]

 

Other lodging

8.6 [3]

10 [5]

0.90

HIV-co-infection

   

HIV positive

14.7 [5]

23.9 [11]

 

HIV negative

85.3 [29]

76.1 (35)

0.40

  1. *Group comparisons by Chi-square or Fisher exact as appropriate and Mann–Whitney test;
  2. # remained independently associated with treatment start after controlling for age, sex, psychiatric comorbidity, IDU, drug and alcohol use, employability, housing and HIV-co-infection with an OR (95% CI) of 1.02 (1.006-1.04) (p=0.01); HIV-status was missing in 5 patients.