N

30

38

68

Mean Age

72.4

69.4

70.9

Gender

Male

Female

12

18

19

21

15.5

19.5

Outcome measure

Mean Oxford Knee Score

Mean Imperial Knee Score

Mean EQ-5D (pre op)

Mean EQ-5D (post op)

Mean EQ-5D (change)

Mean Total Knee Score

22.3

32.4

0.22

0.59

0.37

6.03

20.13

40.87

0.21

0.77

0.53

6.357

21.22

73.27

0.215

0.68

0.45

6.19