5 Key Takeaways

• 1

  Postoperative urinary retention (POUR) incidence rose from 1.51% to 2.29% among total knee replacement patients from 2005 to 2014.

• 2

  POUR is linked to longer hospital stays and higher complication rates, including acute myocardial infarction and acute renal failure.

• 3

  Male sex is the strongest risk factor for POUR, with an odds ratio of 3.40, followed by fluid disorders and age over 60.

• 4

  Patients with POUR incurred higher hospital costs, with median charges of $44,338 compared to $41,228 for those without.

• 5

  The study emphasizes the need for improved risk screening and preventive measures, particularly for older male patients.