Table 2.

Adjusted odds ratio estimates and confidence intervals for 72-hour noninvasive cardiac stress test completion among Emergency Department patients evaluated for possible acute coronary syndrome.

Effect	Estimate	95% Confidence Limits
Age
65+ vs 18-47 years	0.907	0.76	1.082
55-65 vs 18-47 years	0.939	0.805	1.095
47-55 vs 18-47 years	1.03	0.88	1.205
Female vs Male	0.928	0.829	1.039
Race
Alaska Native/Pacific Islander vs White	0.834	0.551	1.262
Asian vs White	0.906	0.756	1.085
Black vs White	0.84	0.706	0.999
Others vs White	0.923	0.797	1.067
Household Median Income (per $10,000)	0.986	0.965	1.007
Coronary Artery Disease: No vs Yes	1.08	0.834	1.4
Elixhauser Score
1-2 vs 0	0.995	0.849	1.167
3-4 vs 0	0.968	0.807	1.161
5+ vs 0	0.922	0.746	1.14
Body Mass Index
Overweight vs Normal	1.014	0.868	1.185
Obese vs Normal	1.011	0.861	1.187
Physician Affiliation: Per Diem vs Full-Time KPSC	1.091	0.968	1.231
ED Visit Day of Week: Saturday-Wednesday vs Thursday-Friday	3.631	3.174	4.154
ED Visit Year: 2015 vs 2017	0.97	0.832	1.132
ED Visit Year: 2016 vs 2017	0.919	0.807	1.047
Medical Center
Medical Center 1 vs 13	0.228	0.173	0.301
Medical Center 2 vs 13	0.021	0.012	0.037
Medical Center 3 vs 13	0.041	0.03	0.057
Medical Center 4 vs 13	0.165	0.129	0.211
Medical Center 5 vs 13	0.296	0.22	0.397
Medical Center 6 vs 13	0.707	0.538	0.929
Medical Center 7 vs 13	0.094	0.072	0.122
Medical Center 8 vs 13	0.46	0.359	0.589
Medical Center 9 vs 13	0.09	0.064	0.127
Medical Center 10 vs 13	0.168	0.132	0.214
Medical Center 11 vs 13	0.041	0.03	0.054
Medical Center 12 vs 13	0.016	0.009	0.028

Abbreviations: KPSC = Kaiser Permanente Southern California