|
Table 1: Comparison between pre-operative and post-operative outcomes, overall and by age group. |
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|
Age, (years) |
Pre-operative, mean ± SD |
Post-operative, mean ± SD |
p |
|||
|
WOMAC |
VAS |
WOMAC |
VAS |
WOMAC |
VAS |
|
|
40-55 |
42.86 ± 19.78 |
5.21 ± 2.16 |
13.83 ± 12.89 |
1.86 ± 6.90 |
0.0006 |
0.0059 |
|
56-70 |
42.57 ± 20.07 |
6.47 ± 1.89 |
25.70 ± 18.32 |
2.72 ± 1.67 |
0.0052 |
0.0005 |
|
71 + |
47.76 ± 20.76 |
5.23 ± 1.97 |
24.68 ± 17.54 |
2.32 ± 1.40 |
0.0031 |
0.0018 |
|
Overall |
44.35 ± 20.20 |
5.79 ± 2.01 |
22.81 ± 17.25 |
2.41 ± 1.43 |
< 0.0001 |
< 0.0001 |
|
WOMAC = Western Ontario and McMaster Universities Osteoarthritis Index. VAS = visual analogue scale. SD = standard deviation. |
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