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International Knee Documentation Committee - Subjective Knee (IKDC)

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Digital administration of International Knee Documentation Committee - Subjective Knee (IKDC) to collect structured patient inputs for validated score calculation and clinical follow-up.

International Knee Documentation Committee - Subjective Knee (IKDC)

Clinical intent

The International Knee Documentation Committee (IKDC Questionnaire) is a knee-specific patient-reported outcome measure. It’s considered to be one of the most reliable outcome reporting tools in its category and was one of the instruments used in the popular MOON study. IKDC has been subjected to rigorous statistical evaluation and has proven to be a valid and responsive patient-reported outcome measure (PROM) [1].

The IKDC Questionnaire is a subjective scale that provides patients with an overall function score. The questionnaire looks at 3 categories: symptoms, sports activity, and knee function. The symptoms subscale helps to evaluate things such as pain, stiffness, swelling and giving-way of the knee. Meanwhile, the sports activity subscale focuses on functions like going up and down the stairs, rising from a chair, squatting and jumping. The knee function subscale asks patients one simple question: how is their knee at present versus how was their knee prior to injury?

Clinical interpretation

The total score is interpreted as a measure of function with higher scores representing higher levels of function.

References

[1] Assessment of Differences Between the Modified Cincinnati and International Knee Documentation Committee Patient Outcome Scores http://drrobertlaprademd.com/wp-content/uploads/2015/07/assessment-of-modified-cincinnati-and-ikdc-scores-2009.pdf

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Interactive preview of the questionnaire. Not for clinical use. Responses are not stored.

International Knee Documentation Committee - Subjective Knee (IKDC) Questionnaire
Please complete this questionnaire. Your responses help your clinical team assess your symptoms and monitor progress over time.
What is the highest level of activity that you can perform without significant knee pain? 
During the past 4 weeks, or since injury, how often have you had pain? 
If you have pain, how severe is it? 
During the past 4 weeks, or since your injury, how stiff or swollen was your knee? 
What is the highest level of activity you can perform without significant swelling in your knee? 
During the past 4 weeks, or since your injury, did your knee lock or catch? 
What is the highest level of activity that you can perform without significant giving way in your knee? 
What is the highest level of activity you can participate in on a regular basis? 
How does your knee affect your ability to go up stairs 
How does your knee affect your ability to go down stairs 
How does your knee affect your ability to kneel on the front of your knee 
How does your knee affect your ability to squat 
How does your knee affect your ability to sit with your knee bent 
How does your knee affect your ability to rise from a chair 
How does your knee affect your ability to run straight ahead 
How does your knee affect your ability to jump and land on involved leg 
How does your knee affect your ability to stop and start quickly 
How would you rate the CURRENT function of your knee on a scale of 0 to 10 with 10 being normal, excellent function and 0 being the inability to perform any of your usual daily activities which may include sports?