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Table 2 Odds Ratios of Frequent Use of the ED for Substance Use Disorder Patients with Psychiatric Comorbidity vs. Those Without

From: The association of psychiatric comorbidity and use of the emergency department among persons with substance use disorders: an observational cohort study

SUD Group

4 or more visits (CI)

8 or more visits (CI)

12 or more visits (CI)

16 or more visits (CI)

20 or more visits (CI)

Total SUD

N = 6865

3.0 (2.5, 3.4)A

4.0 (3.2, 4.9)A

5.0 (3.9, 6.5)A

5.0 (3.6, 7.0)A

5.6 (3.7, 8.4)A

Polysubstance

N = 1191

3.9 (2.8, 5.5)A

4.7 (2.7, 8.2)A

3.4 (1.6, 7.5)NS

2.7 (0.9, 7.6)NS

3.0 (0.7, 12.7)NS

Cocaine

N = 1453

3.5 (2.5, 4.9)A

6.4 (4.1, 10.1)A

6.8 (3.8, 12.1)A

9.1 (4.1, 20.0)A

9.3 (3.3, 25.7)A

Alc. Dependence

N = 1785

2.9 (2.1, 3.9)A

4.2 (2.8, 6.3)A

5.2 (3.1, 8.6)A

5.7 (3.1, 10.7)A

6.1 (2.8, 13.5)A

Alcohol Abuse

N = 2436

2.4 (1.8, 3.1)A

3.4 (2.4, 4.8)A

5.3 (3.5, 8.2)A

4.7 (2.8, 8.0)A

5.8 (3.1, 11.0)A

  1. Note: SUD = Substance Use Disorder. CI = Confidence interval. Alc. = Alcohol. A = p < .001. NS = non-significant.