TABLE 2.
Association between alcohol, drug, psychiatric, injury, and medical comorbidity and recurrent hospitalization and all-cause mortality outcomes, adjusted for age, Washington State, 2006–2007
| Patients | Outcomesa | |||||
|---|---|---|---|---|---|---|
|
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| Re-hospitalization | Mortality | |||||
|
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| Conditions | N | % | RR | CI | HR | CI |
| Alcohol disorders | 19,167 | 24.9 | 1.47 | 1.41–1.52 | 1.57 | 1.49–1.67 |
| Drug disorders | 16,387 | 21.3 | 1.59 | 1.53–1.66 | 1.61 | 1.52–1.70 |
| Psychiatric disorders | 22,062 | 28.7 | 1.60 | 1.55–1.66 | 1.53 | 1.48–1.59 |
| Chronic medical disorders (yes/no) | 47,365 | 61.6 | 2.70 | 2.59–2.82 | 2.14 | 2.00–2.30 |
| Violent or suicide hospitalization | 13,892 | 18.1 | 1.64 | 1.57–1.71 | 1.42 | 1.32–1.54 |
| Traumatic brain injury (yes/no) | 7,649 | 9.9 | 0.81 | 0.77–0.86 | 0.87 | 0.82–0.94 |
| Cumulative disorder burdenb | ||||||
| 0 (Ref) | 16,322 | 21.2 | ||||
| 1 | 26,712 | 34.7 | 2.13 | 2.02–2.24 | 2.56 | 2.30–2.86 |
| 2 | 18,262 | 23.7 | 2.31 | 2.18–2.43 | 3.57 | 3.20–3.98 |
| 3 | 8,800 | 11.4 | 3.18 | 3.00–3.38 | 4.08 | 3.62–4.59 |
| ≥4 | 6,846 | 8.9 | 4.21 | 3.96–4.47 | 5.64 | 4.99–6.38 |
a
RR, relative risk; CI, confidence interval; HR, hazard ratio
b
Cumulative disorders: alcohol, drug, psychiatric, medical, violent/suicide hospitalization