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. Author manuscript; available in PMC: 2015 Jul 1.
Published in final edited form as: Heart Lung. 2014 Jul-Aug;43(4):270–277. doi: 10.1016/j.hrtlng.2014.04.019

Table 5.

Predictors of Prehospital Delay

Predictor Hazard
Ratio
95% CI p-value
Black Race 1.07 0.85 1.32 0.590
Age 1.00 1.00 1.01 0.260
Sex 0.93 0.78 1.12 0.470
Diabetes 1.23 1.01 1.49 0.036
ACS Diagnosis 1.31 1.09 1.56 0.003
Greater number of symptoms 0.51 0.44 0.61 0.001
Greater symptom distress 1.05 1.01 1.08 0.015
Abrupt (vs. gradual) symptom onset 1.41 1.18 1.68 0.001

Note: CI is confidence interval. ACS is acute coronary syndrome.

Hazard ratios > 1 indicate decreased delay time. Hazard ratios < 1 indicate increased delay time.