Table 5. . Adjusted LOS estimates.

Factor	Adjusted mean LOS	95% Confidence Interval
Region, Northeast	4 days	4–5 days
Region, Midwest	4 days	4–5 days
Region, South	4 days	4–5 days
Region, West	5 days	4–6 days

The model was adjusted for: age, sex, carotid artery disease, congestive heart failure, peripheral vascular disease, diabetes, chronic kidney disease, obesity, hypertension, atrial fibrillation or flutter, chronic pulmonary disease, coagulopathy, anemia, history of prior myocardial infarction, history of percutaneous coronary intervention, history of coronary bypass graft surgery, history of stroke or TIA, history of smoking.

LOS: Length of stay.