Outcomes for Cocaine Addicted Patients at Castle Craig Hospital 2007

The 2007 evaluation for all cocaine addicted patients admitted between 15th January 2004 and 31st July 2006.

Summary of findings

  • The sample comprised of all cocaine addicted patients who entered treatment between 15th January 2004 to 31st August 2006 and stayed in treatment for one or more days.
  • 141 one patients met these criteria, 74 from Scotland, 66 from the Netherlands, and 1 from the USA.
  • Scottish patients’ average age of 34 years was significantly lower than the Dutch patients’ average age of 37 years.
  • Scottish patients’ average CISS total score of 14.1 was significantly higher than the Dutch patients’ average CISS total score of 12.6.
  • Patients’ greatest problems were with drug or alcohol use, lack of occupation, lack of support, and psychological problems.
  • Patients dependent only on cocaine and alcohol tended to have fewer problems with Viral Risk and Criminal Behaviour.
  • Patients with higher levels of dysfunction at intake tended to either drop out of primary or go on to extended care.
  • In comparison to those entering extended care, drop outs from primary (excluding 21 primary completers) were more likely to have greater social functioning problems, greater criminal involvement, and greater compliance problems.
  • 48% of patients left treatment prematurely. However 92% of patients completed detoxification.
  • The average treatment duration of 19 weeks for patients completing treatment was significantly longer than the prematurely discharged patients’ average treatment duration of 8 weeks.
  • The average CISS total score of 12.3 for patients completing treatment was significantly lower than the prematurely discharged patients’ average CISS score of 14.5.
  • At treatment entry, completers tended to have fewer social functioning problems, fewer occupation problems, less criminal involvement, and fewer compliance problems.
  • Patients’ age, gender, nationality, and drug use patterns were unrelated to premature discharge.
  • Follow-ups were successfully completed on 107 of the 141 patients (76%).
  • The average follow-up period was 79 weeks.
  • Patients completing treatment were significantly more likely to have a good outcome.
  • The average treatment duration (16 weeks) of the 84 good outcome patients was significantly longer than the average treatment duration (10 weeks) of the 57 poor outcome patients.
  • Patients entering extended care were significantly more likely to have a good outcome.
  • Patients’ gender, nationality, drug use pattern, age, and CISS total score at treatment entry were unrelated to outcome.
  • There was no significant relationship between CISS total scores at treatment entry and subsequent outcome among the 60 patients who did not go into extended care.
  • Among the 81 patients entering extended care, the average CISS score of 12.8 for patients with a good outcome was significantly lower than the poor outcome patients’ average CISS score of 14.2.
  • Reductions in all of the 10 CISS outcome domains were highly significant. Thus indicating that reductions in drug / alcohol use were generally accompanied by improvements in all other aspects of the patients’ lives.
  • For all 141 patients 92% successfully completed detoxification.

For all 141 patients the following ‘Success’ rates are conservatively based on the assumption that the 34 patients not followed-up all showed no improvement or otherwise had poor outcomes.

  • Being totally abstinent from all drugs or alcohol at follow-up 46%
  • Achieving low problem severity at follow-up (CISS < 7, see appendix) 60%
  • Showing any reduction in measured levels of dysfunction 74%

For the 73 Patients who completed all their treatment the following ‘Success’ rates are conservatively based on the assumption that the 10 patients not followed-up all showed no improvement or otherwise had poor outcomes.

  • Being totally abstinent from all drugs or alcohol at follow-up 66%
  • Achieving low problem severity at follow-up (CISS < 7, see appendix) 78%
  • Showing any reduction in measured levels of dysfunction 84%

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