Table 6.

Univariate Regression of Potential Factors Associated with PCI and Adverse Outcomes

	Unadjusted OR (95% CI) for PCI	Unadjusted OR (95% CI) for Cardiogenic Shock	Unadjusted OR (95% CI) for Arrhythmia	Unadjusted OR (95% CI) for Pneumonia	Unadjusted OR (95% CI) for in-Hospital Mortality	Unadjusted OR (95% CI) for 30-Day Mortality	Unadjusted OR (95% CI) for 30-Day Readmission
Age (years)	0.96 (0.93–0.99), p=0.003	0.97 (0.92–1.01), p=0.152	1.03 (1.00–1.06), p=0.036	1.03 (1.00–1.06), p=0.057	1.02 (0.99–1.06), p=0.244	1.05 (1.01–1.08), p=0.007	1.05 (1.02–1.09), p=0.002
Sex:
Female	Reference	1	1	1	1	1	1
Male	1.86 (1.19–2.93), p=0.007	1.47 (0.67–3.22), p=0.334	1.17 (0.74–1.86), p=0.508	0.71 (0.42–1.18), p=0.183	0.73 (0.39–1.35), p=0.309	0.72 (0.42–1.23), p=0.226	1.20 (0.69–2.09), p=0.516
ACS type:
Unstable angina	Reference	N/A (event rates were too small for this analysis)	1	1	1	1	1
NSTEMI	1.06 (0.60–1.90), p=0.833		3.73 (1.80–7.74), p<0.001	35.80 (4.81–266.17), p<0.001	17.01 (2.26–128.21), p=0.006	25.98 (3.48–194.02), p=0.001	1.50 (0.70–3.22), p=0.292
STEMI	1.65 (0.91–2.98), p=0.097	4.94 (2.36–10.30), p<0.001	26.55 (3.54–199.00), p=0.001	14.85 (1.95–112.98), p=0.009	24.38 (3.25–183.03), p=0.002	1.59 (0.74–3.44), p=0.234
Killip class	0.80 (0.62–1.02), p=0.076	4.01 (2.75–5.85), p<0.001	1.78 (1.37–2.30), p<0.001	2.14 (1.64–2.80), p<0.001	2.08 (1.56–2.77), p<0.001	1.87 (1.44–2.45), p<0.001	0.80 (0.57–1.11), p=0.798
PCI	N/A	0.48 (0.23–1.04), p=0.062	0.61 (0.39–0.96), p=0.032	0.33 (0.19–0.57), p<0.001	0.13 (0.06–0.30), p<0.001	0.21 (0.11–0.39), p<0.001	0.93 (0.54–1.59), p=0.779

Notes: Killip class was treated as a continuous variable (values from 1 to 4).

Abbreviations: ACS, acute coronary syndrome; PCI, percutaneous coronary intervention; STEMI, ST-segment elevation myocardial infarction; NSTEMI, non-ST segment elevation myocardial infarction.