Table I.

Patient demographics.

Age, median (range)	65.7 (47–77)
Women, no. (all)	7 (12)
Total knee arthroplasty, no.	10
Unicompartmental knee arthroplasty, no.	2
Work, no.
Retired	5
Working	7
KOOS, median (range)
Pain	42 (25–64)
Symptoms	59 (25–75)
ADL	53 (29–82)
Sports and recreation	3 (0–35)
Quality of life	8 (2–43)
EQ-5D VAS, median (range)	75 (30–93)
Pain VAS, median (range)	44 (4–76)

Knee Injury and Osteoarthritis Outcome Score, KOOS, consists of five dimensions graded from 0 to 100 in a worst-to-best scale.

EQ-5D, consists of a VAS scale assessing the patients’ HRQoL from 0 to 100 in a worst-to-best scale.

Pain Visual Analogue Scale, VAS, grades the intensity of the pain of the affected limb from 0 to 100 where 0 is no pain and 100 worst possible pain.