Table III.
Variable | All patients | Excluding Los Angeles Residents | ||||
---|---|---|---|---|---|---|
| ||||||
Odds Ratio | 95% CI | p-value | Odds Ratio | 95% CI | p-value | |
Hospital type* | <0.0001 | <0.0001 | ||||
STEMI center with ≥40 OHCA cases/year | 1.32 | 1.06–1.64 | 1.52 | 1.20–1.94 | ||
STEMI center with <40 OHCA cases/year | 1.63 | 1.35–1.97 | 1.79 | 1.45–2.19 | ||
Age (per 10 years) | 0.87 | 0.83–0.90 | <0.0001 | 0.87 | 0.83–0.91 | <0.0001 |
Male sex | 1.12 | 1.00–1.25 | 0.05 | 1.12 | 0.99–1.28 | 0.08 |
White race | 1.09 | 0.96–1.23 | 0.18 | 1.05 | 0.91–1.21 | 0.53 |
Hispanic ethnicity | 1.03 | 0.90–1.18 | 0.68 | 1.01 | 0.85–1.20 | 0.94 |
Insurance† | 0.31 | 0.29 | ||||
Medi-Cal/indigent/self-pay insurance | 0.94 | 0.80–1.10 | 0.91 | 0.75–1.09 | ||
Medicare insurance | 0.95 | 0.82–1.11 | 0.92 | 1.10 | ||
Other insurance | 1.54 | 0.89–2.66 | 1.56 | 0.82–2.97 | ||
Ventricular arrest rhythm | 1.97 | 1.75–2.21 | <0.0001 | 2.01 | 1.76–2.30 | <0.0001 |
Hospital size (per 50 beds) | 0.99 | 0.96–1.03 | 0.75 | 0.98 | 0.94–1.01 | 0.21 |
ICU bed days (per 100 bed days) | 1.00 | 1.00–1.00 | 0.97 | 1.00 | 1.00–1.00 | 0.58 |
Teaching hospital | 1.03 | 0.78–1.38 | 0.82 | 1.00 | 0.74–1.37 | 0.98 |
Level 1–2 trauma center | 0.83 | 0.68–1.02 | 0.08 | 0.88 | 0.70–1.10 | 0.25 |
STEMI = ST segment elevation myocardial infarction; OHCA = Out-of-hospital cardiac arrest; ICU = Intensive care unit
The reference category for hospital type is non-STEMI centers.
The reference category for insurance type is private insurance.