Each dimension is scored by the patient, with 1 indicating no problems, 2 indicating some problems, and 3 indicating extreme problems.
The SF-36 is scored from 0-100, 0 indicating extreme problems and 100 indicating no problems.
The SF-36 is scored from 0 to 100, 0 indicating extreme problems and 100 indicating no problems.
Each subscale is scored from 0 to 100, with 0 indicating extreme problems and 100 indicating no problems.
The SF-36 is self-explanatory, takes 10 min to complete and is scored from 0 to 100 (0 indicating extreme problems and 100 indicating no problems).
The KOOS is scored from 0 to 100, separately for each subscale, 0 indicating extreme problems and 100 indicating no problems.
For the subscale Sport/Recreation 43 subjects (37%) reported worst possible score (floor effect), indicating extreme problems with squatting, running, jumping, twisting/pivoting and kneeling at baseline.
The KOOS is a disease-specific, self-administrated questionnaire with 42 questions in 5 subscales (pain, symptoms, activities of daily living, sport and recreation, and quality of life), with a scale extending from 0, indicating extreme problems, to 100, indicating no problems.
Moderate problems in at least one of the EQ-5D dimensions were reported by 60.0% of all respondents, ranging from 47.9% in the Netherlands to 65.9% in France, while 8.7% of the total sample indicated extreme problems in at least one of the dimensions, ranging from 6.2% in France to 13.2% in Belgium.
