Date of completion

Knee Injury and Osteoarthritis Outcome Score (KOOS)
Patient's name (or ref
Clinician's name (or ref)
Patient's d.o.b
 

INSTRUCTIONS: This survey asks for your view about your knee. This information will help us keep track of how you feel about your knee and how well you are able to do your usual activities.

Answer every question by ticking the appropriate box. If you are unsure about how to answer a question, please give the best answer you can.
 

Symptoms - These questions should be answered thinking of your knee symptoms during the last week.

1. Do you have swelling in your knee?
Never Rarely Sometimes Often Always

2. Do you feel grinding, hear clicking or any other type of noise when your knee moves?
Never Rarely Sometimes Often Always

3. Does your knee catch or hang up when moving?
Never Rarely Sometimes Often Always

4. Can you straighten your knee fully?
Never Rarely Sometimes Often Always

5. Can you bend your knee fully?
Never Rarely Sometimes Often Always
 

Stiffness - The following questions concern the amount of joint stiffness you have experienced during the last week in your knee. Stiffness is a sensation of restriction or slowness in the ease with which you move your knee joint.

6. How severe is your knee joint stiffness after first wakening in the morning?
None Mild Moderate Severe Extreme

7. How severe is your knee stiffness after sitting, lying or resting later in the day?
None Mild Moderate Severe Extreme
Subtotal:
 

Pain

1. How often do you experience knee pain?
Never Monthly Weekly Daily Always

What amount of knee pain have you experienced the last week during the following activities?

2. Twisting/pivoting on your knee
None Mild Moderate Severe Extreme

3. Straightening knee fully
None Mild Moderate Severe Extreme

4. Bending knee fully
None Mild Moderate Severe Extreme

5. Walking on flat surface
None Mild Moderate Severe Extreme

6. Going up or down stairs
None Mild Moderate Severe Extreme

7. At night while in bed
None Mild Moderate Severe Extreme

8. Sitting or lying
None Mild Moderate Severe Extreme

9. Standing upright
None Mild Moderate Severe Extreme
Subtotal:
 

Function, daily living - The following questions concern your physical function. By this we mean your ability to move around and to look after yourself. For each of the following activities please indicate the degree of difficulty you have experienced in the last week due to your knee.

1. Descending stairs
None Mild Moderate Severe Extreme

2. Ascending stairs
None Mild Moderate Severe Extreme

For each of the following activities please indicate the degree of difficulty you have experienced in the last week due to your knee.

3. Rising from sitting
None Mild Moderate Severe Extreme

4. Standing
None Mild Moderate Severe Extreme

5. Bending to floor/pick up an object
None Mild Moderate Severe Extreme

6. Walking on flat surface
None Mild Moderate Severe Extreme

7. Getting in/out of car
None Mild Moderate Severe Extreme

8. Going shopping
None Mild Moderate Severe Extreme

9. Putting on socks/stockings
None Mild Moderate Severe Extreme

10. Rising from bed
None Mild Moderate Severe Extreme

11. Taking off socks/stockings
None Mild Moderate Severe Extreme

12. Lying in bed (turning over, maintaining knee position)
None Mild Moderate Severe Extreme

13. Getting in/out of bath
None Mild Moderate Severe Extreme

14. Sitting
None Mild Moderate Severe Extreme

15. Getting on/off toilet
None Mild Moderate Severe Extreme
For each of the following activities please indicate the degree of difficulty you have experienced in the last week due to your knee

16. Heavy domestic duties (moving heavy boxes, scrubbing floors, etc)
Never Rarely Sometimes Often Always

17. Light domestic duties (cooking, dusting, etc)
Never Rarely Sometimes Often Always
Subtotal:
 

Function, sports and recreational activities - The following questions concern your physical function when being active on a higher level. The questions should be answered thinking of what degree of difficulty you have experienced during the last week due to your knee.

1. Squatting
None Mild Moderate Severe Extreme

2. Running
None Mild Moderate Severe Extreme

3. Jumping
None Mild Moderate Severe Extreme

4. Twisting/pivoting on your injured knee
None Mild Moderate Severe Extreme

5. Kneeling
None Mild Moderate Severe Extreme
Subtotal:
 

Quality of Life

1. How often are you aware of your knee problem?
Never Monthly Weekly Daily Constantly

2. Have you modified your life style to avoid potentially damaging activities to your knee?
Not at all Mildly Moderately Severely Totally

3. How much are you troubled with lack of confidence in your knee?
Not at all Mildly Moderately Severely Extremely

4. In general, how much difficulty do you have with your knee?
None Mild Moderately Severe Extreme
Subtotal:

Thank you very much for completing all the questions in this questionnaire.

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Knee Injury & Osteoarthritis Outcome Score is

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