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Table 4 Interpersonal psychotherapy for drug-using offenders with co-occurring mental illness

From: Interventions for drug-using offenders with co-occurring mental health problems: a systematic review and economic appraisal

Outcomes Illustrative comparative risks* (95 % CI) Relative effect (95 % CI) No of Participants (studies) Quality of the evidence (GRADE)
Assumed risk Corresponding risk
Control Interpersonal psychotherapy
Self report drug use dichotomous
Follow-up: mean 3 months
Study population RR 0.67 (0.3 to 1.5) 38 (1 study) very low
474 per 1000 317 per 1000 (142 to 711)
Moderate
  1. *The basis for the assumed risk (e.g. the median control group risk across studies) is provided in footnotes. The corresponding risk (and its 95 % confidence interval) is based on the assumed risk in the comparison group and the relative effect of the intervention (and its 95 % CI)
  2. CI confidence interval
  3. GRADE Working Group grades of evidence
  4. High quality: Further research is very unlikely to change our confidence in the estimate of effect
  5. Moderate quality: Further research is likely to have an important impact on our confidence in the estimate of effect and may change the estimate
  6. Low quality: Further research is very likely to have an important impact on our confidence in the estimate of effect and is likely to change the estimate
  7. Very low quality: We are very uncertain about the estimate