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Sports Medicine Surgical Quality Data: All Knee Surgeries

The data below is a summary of patients who underwent knee surgery at the UW Health Sports Medicine Center between January 2007 and December 2013.
 
Demographics
  • Patients: 2059
  • Gender: 45 percent females, 55 percent males

Knee Function

 

As measured by the 2000 IKDC. A score of 100 is optimal.

 
  Score
Pre-surgery 47.7
One year post-surgery 77.9

 

 

Health-related Quality of Life

 

As measured by SF-12 v 2.0 subscales. A score of 100 is optimal.  

 
  PFRPBPGHVTSFREMH
Pre-surgery 50.2 51 58 81.5 58.3 79.1 82.1 71.4
Post-surgery 85.2 85.8 84.4 82.7 68 92.5 92.5 79.3

 

Key:

  • PF (Physical Function): The extent you are limited or able to perform daily living activities. 
  • RP (Role Physical): The extent you are limited when performing work or daily living activities. 
  • BP (Bodily Pain): The limitations placed upon you by pain you are experiencing. 
  • GH (General Health): An overall measure of your personal health
  • VT (Vitality): The amount of energy you have during your daily activities.
  • SF (Social Function): The level of interference with social activities you experience due to physical or emotional problems.
  • RE (Role Emotional): Problems you experience with work or daily activities as a result of emotional problems.
  • MH (Mental Health): The extent to which nervousness or happiness affect you all of the time.
Patient Response
 
UW Health Sports Medicine asked patients who underwent knee surgery the following question: How has the function of your knee changed since your knee surgery?
 
Here are their responses. 
 
  Much WorseModerately WorseSlightly WorseSlightly BetterModerately BetterMuch Better
Percentage 0.5 1.4 3.6 8.9 19.7 66.3