A recent study published in Circulation: Heart Failure reveals that, for heart failure patients, the day that they're admitted to the hospital may dictate the length of their stay.

The researchers reviewed data for more than 48,000 heart failure patients admitted to 259 different US hospitals. Those admitted on Tuesdays had the shortest stays, while patients admitted on Thursdays and Fridays had the longest stays. This finding didn't hold true for heart attack patients.

Researchers theorize that the discrepancy in length of stay could be do to reduced staffing over the weekend. Though many hospitals are already eschewing the old trend of running on a tighter staff over the weekend. If short staffing is to blame for the increased lengths of stay, correcting the staffing issue could potentially save hundreds of thousands for a hospital.

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