International Scholarly Research Notices / 2011 / Article / Tab 1

Research Article

Prediction of Length of Stay Following Elective Percutaneous Coronary Intervention

Table 1

Risk score based on Wu et al.’s approach.

Risk factorScore

Age (years)
 75 and older5
Hemodynamic state
Ejection fraction
Preprocedural myocardial infarction
 <24 h with stent thrombosis*9
 <6 h without stent thrombosis*7
 6–23 h without stent thrombosis*6
 1–14 days4
 >14 days2
Peripheral arterial disease2
Current heart failure4
Past heart failure3
Renal failure
 Renal failure, creatinine >2.5 mg/dL3
 Renal failure, requiring dialysis4
Left main coronary artery disease3

*Not applicable to “elective” patient population.

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