Outcome | Variable | Definition |
Mental disorder diagnosis* (5 years before to 1 year after index date) | Mood or anxiety disorder | At least one hospitalisation with a diagnosis of depressive disorder, affective psychoses, neurotic depression, adjustment reaction or bipolar disorder; or at least one hospitalisation with a diagnosis for an anxiety state, phobic disorder or obsessive compulsive disorder; or two or more physician visits with a diagnosis of depressive disorder, affective psychoses, adjustment reaction or anxiety disorders. |
Psychotic disorder | At least one hospitalisation with a diagnosis of a psychotic disorder; or at least one physician visit with a diagnosis of a psychotic disorder. | |
Personality disorder | At least one hospitalisation with a diagnosis for a personality disorder; or at least one physician visit with a diagnosis for a personality disorder. | |
Substance use disorder | Comorbid substance use disorders other than a disorder for (or as a result of) methamphetamine use: at least one hospitalisation with a diagnosis for alcohol or drug-induced psychosis, alcohol or drug dependence or non-dependent abuse of drugs; or at least one physician visit with a diagnosis for alcohol or drug-induced psychosis, alcohol or drug dependence or non-dependent abuse of drugs. | |
Other health services use (5 years before to 1 year after index date) | Winnipeg Fire Paramedic Service (WFPS) contact | Any engagement with WFPS, regardless of documented methamphetamine use. |
Methamphetamine-related ED visits | Emergency department visit (in Winnipeg) where methamphetamine use was documented. | |
Methamphetamine-related hospitalisations | Hospitalisation (in Winnipeg) where methamphetamine use was documented. | |
Any hospitalisations | Any hospitalisation (in Winnipeg). | |
Methamphetamine-related physician visits | Physician visit (in Winnipeg) where methamphetamine use was documented. | |
Any physician visits | Any physician visit (in Winnipeg). | |
ED outcomes after olanzapine administration | Use of chemical or physical restraints | Documentation of chemical or physical restraint use in the WFPS data. |
Patient left the ED | From ED data, determine whether patient:
| |
Length of ED stay | From ED data, determine time until seen by a physician, time until treatment, length of treatment time. | |
Triage classification | From ED data: CTAS. |
*See appendix 3 for diagnosis codes.
CTAS, Canadian Triage Acuity Scale; ED, emergency department.