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Figure 3 (A) Kaplan-Meier curves relating short-term and long-term outcomes (up to two years) to percutaneous coronary intervention (PCI) use during the index hospitalization. In the analysis adjusting for age, gender, anterior myocardial infarction (MI), pulse rate on admission, history of hypertension, previous angina, current smoker, previous MI, weight, and time from symptom onset to treatment, the p value was <0.001. (B) Kaplan-Meier estimated mortality rates up to two years by in-hospital PCI, stratified by Thrombolysis In Myocardial Infarction risk score (TRS). Mortality was lower in patients who underwent PCI in the low, intermediate, and high TRS groups. In the analysis adjusting for age, gender, anterior MI, pulse rate on admission, history of hypertension, previous angina, current smoker, previous MI, weight, and time from symptom onset to treatment, the p value was <0.001 in each of the TRS groups.
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