Table 3 Baseline characteristics prior to PRB initiation

Median age, years (range)

37 (34–45)

36 (27–47)

Sex, n (%)

 Male

4 (80)

1 (10)

 Female

1 (20)

9 (90)

Baseline OAT, n (%)

 Methadone (≤ 30 mg)^a

1 (20)

1 (10)

 Oral buprenorphine lyophilisate

4 (80)

0 (0)

 None (out of treatment)

-

9 (90)

UDS, n (%)

 Buprenorphine

4 (80)

2 (20)

 Methadone

1 (20)

4 (40)

 Cocaine

0 (0)

9 (90)

 Morphine

0 (0)

10 (100)

 Benzodiazapine

0 (0)

6 (60)

 Amphetamine

0 (0)

2 (20)

CGI-S score, mean (± SD)

2.6 (± 0.9)

6.4 (± 1.0)

SSQ score, mean (± SD)

21.8 (± 1.9)

5.6 (± 4.9)

CORE-10 score, mean (± SD)

5.2 (± 3.3)

28.9 (± 4.2)