Table 2 Changes in WOMAC and EQ-5D
0 worst, 100 best | Pre-operative | 6 months follow-up | Change | ||||
|---|---|---|---|---|---|---|---|
Preoperative | Mean | SE | Mean | SE | Mean | SE | N |
WOMAC pain | 55.6 | 1.1 | 90.4 | 0.8 | 34.7 | 1.2 | 281 |
0-20 | 12.9 | 1.3 | 89.0 | 2.1 | 76.1 | 2.2 | 14 |
21-40 | 33.1 | 0.8 | 85.7 | 2.4 | 52.6 | 2.6 | 45 |
41-60 | 51.4 | 0.5 | 87.8 | 1.4 | 36.4 | 1.4 | 110 |
61-80 | 70.8 | 0.6 | 94.9 | 0.8 | 24.1 | 1.0 | 89 |
81-100 | 87.7 | 1.0 | 95.3 | 1.2 | 7.7 | 1.6 | 23 |
WOMAC stiffness | 46.6 | 1.4 | 83.0 | 1.0 | 36.5 | 1.5 | 281 |
0-20 | 14.1 | 0.8 | 79.1 | 2.5 | 65.0 | 2.7 | 56 |
21-40 | 33.2 | 0.7 | 81.1 | 2.2 | 48.0 | 2.3 | 66 |
41-60 | 53.4 | 0.6 | 82.2 | 2.0 | 28.8 | 2.0 | 86 |
61-80 | 71.9 | 0.8 | 87.8 | 1.6 | 15.8 | 1.9 | 60 |
81-100 | 91.9 | 1.3 | 93.1 | 3.1 | 1.2 | 2.5 | 13 |
WOMAC function | 51.3 | 1.1 | 86.7 | 0.8 | 35.5 | 1.1 | 281 |
0-20 | 16.4 | 1.0 | 79.4 | 3.1 | 63.4 | 3.4 | 21 |
21-40 | 33.6 | 0.6 | 78.8 | 2.1 | 45.3 | 2.2 | 69 |
41-60 | 50.5 | 0.6 | 88.1 | 1.2 | 37.5 | 1.3 | 96 |
61-80 | 69.4 | 0.6 | 92.2 | 0.8 | 22.8 | 1.1 | 77 |
81-100 | 85.9 | 1.0 | 94.9 | 1.2 | 9.0 | 1.3 | 18 |
WOMAC sum | 51.8 | 1.1 | 86.7 | 0.8 | 34.9 | 1.1 | 281 |
0-20 | 15.2 | 1.4 | 84.2 | 1.7 | 69.0 | 2.2 | 14 |
21-40 | 33.7 | 0.6 | 79.6 | 2.1 | 45.9 | 2.2 | 71 |
41-60 | 51.2 | 0.6 | 87.4 | 1.2 | 36.2 | 1.3 | 108 |
61-80 | 70.3 | 0.7 | 91.6 | 1.0 | 21.3 | 1.2 | 73 |
81-100 | 85.4 | 0.9 | 93.9 | 1.3 | 8.5 | 1.3 | 15 |
EQ-5D index* | 53.9 | 0.9 | 76.9 | 0.9 | 22.9 | 1.0 | 281 |
0-40 | 33.1 | 0.5 | 70.1 | 2.1 | 37.1 | 2.1 | 69 |
41-50 | 46.8 | 0.3 | 76.2 | 2.2 | 29.3 | 2.1 | 41 |
51-60 | 54.2 | 0.2 | 76.4 | 1.7 | 22.2 | 1.8 | 70 |
61-70 | 65.5 | 0.3 | 80.7 | 1.4 | 15.3 | 1.5 | 53 |
71-100 | 76.9 | 0.6 | 83.5 | 1.4 | 6.7 | 1.6 | 48 |
EQ-5D index** | 51.4 | 1.8 | 84.7 | 1.1 | 33.3 | 1.8 | 281 |
−40 | 8.8 | 1.1 | 79.4 | 2.5 | 70.5 | 2.3 | 88 |
41-50 | - | - | - | - | - | - | - |
51-60 | 56.8 | 0.6 | 85.4 | 3.3 | 28.6 | 3.0 | 26 |
61-70 | 66.6 | 0.3 | 84.3 | 1.8 | 17.7 | 1.9 | 73 |
71-100 | 77.9 | 0.6 | 89.8 | 1.3 | 12.0 | 1.4 | 94 |
EQ-5D VAS | 59.6 | 1.2 | 78.4 | 1.1 | 18.8 | 1.4 | 281 |
0-40 | 28.0 | 1.3 | 74.7 | 2.8 | 46.7 | 2.6 | 57 |
41-50 | 48.3 | 0.4 | 70.1 | 3.4 | 21.8 | 3.4 | 49 |
51-60 | 58.4 | 0.5 | 74.1 | 2.8 | 15.7 | 2.9 | 37 |
61-70 | 68.8 | 0.3 | 81.5 | 2.5 | 12.8 | 2.6 | 52 |
71-100 | 81.9 | 0.8 | 85.4 | 1.3 | 3.5 | 1.3 | 86 |