Table 1.
ED Visits* With Cannabis-related Codes† and Mental Health Diagnoses in Colorado 2012–2014 (N = 4,693,173).
| Mental Health Primary Diagnoses | ED Visits With Cannabis Codes,† n = 38,301 | ED Visits Without Cannabis Codes,† n = 4,654,872 | PR (95% CI) | |||
|---|---|---|---|---|---|---|
| Schizophrenia and other psychotic disorders | 1,136 | (2.96) | 15,028 | (0.32) | 9.18 | (8.66–9.75) |
| Suicide and intentional self-inflicted injury | 1,069 | (2.79) | 16,315 | (0.35) | 7.96 | (7.49–8.46) |
| Mood disorders | 2,597 | (6.78) | 42,652 | (0.92) | 7.40 | (7.12–7.69) |
| Personality disorders | 50 | (0.13) | 849 | (0.02) | 7.16 | (5.38–9.52) |
| Impulse control disorders | 16 | (0.04) | 278 | (0.006) | 6.99 | (4.23–11.58) |
| Adjustment disorders | 178 | (0.46) | 3,404 | (0.07) | 6.35 | (5.47–7.39) |
| Developmental disorders | 99 | (0.26) | 1,915 | (0.04) | 6.28 | (5.13–7.69) |
| Attention deficit, conduct, and disruptive behavior disorders | 184 | (0.48) | 3,783 | (0.08) | 5.91 | (5.10–6.85) |
| Screening and history of mental health and substance abuse codes | 114 | (0.30) | 2,924 | (0.06) | 4.74 | (3.93–5.71) |
| Anxiety disorders | 1,465 | (3.82) | 45,220 | (0.97) | 3.94 | (3.74–4.14) |
| Miscellaneous mental disorders | 109 | (0.28) | 5,199 | (0.11) | 2.55 | (2.11–3.08) |
| Disorders usually diagnosed in infancy, childhood, or adolescence | 9 | (0.02) | 613 | (0.01) | 1.78 | (0.92–3.44) |
| Delirium, dementia, and amnestic and other cognitive disorders | 54 | (0.14) | 7,888 | (0.17) | 0.83 | (0.64–1.09) |
PR = prevalence ratio.
*
An individual can be represented more than once in the data.
†
Data are reported as n (%). International Classification of Diseases, 9th Revision, Clinical Modification (ICD-9-CM) codes of accidental poisoning by psychodysleptics (E854.1), poisoning by psychodysleptics (969.6), nondependent cannabis abuse (codes 305.20–305.23), and cannabis dependence (codes 304.30–304.33).