Table 1.

The Oxford knee score [10]

Question number	Question
1	Describe the pain you usually have from your knee? (pain)
2	How much trouble do you have washing and drying yourself (all over) because of your knee? (function)
3	How much trouble do you have getting in/out of your car or using public transport because of your knee? (function)
4	For how long have you been able to walk before pain from your knee becomes severe? (with or without a stick) (pain)
5	After a meal (sat at a table), how painful has it been for you to stand up from a chair because of your knee? (pain)
6	Have you been limping when walking, because of your knee? (function)
7	Could you kneel down and get up again afterwards? (function)
8	Have you been troubled by pain from your knee in bed at night? (pain)
9	How much has pain from your knee interfered with your usual work (including housework)? (pain)
10	Have you felt that your knee might suddenly ‘give way’ or let you down? (function)
11	Could you do household shopping on your own? (function)
12	Could you walk down one flight of stairs? (function)