|
Table 2: Comparison between pre-operative and post-operative outcomes by post-operative follow-up time. |
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|
Group, (m) |
Pre-operative, mean ± SD |
Post-operative, mean ± SD |
p |
|||
|
WOMAC |
VAS |
WOMAC |
VAS |
WOMAC |
VAS |
|
|
4-7 |
44.38 ± 24.63 |
5.85 ± 27.08 |
19.61 ± 13.48 |
2.10 ± 1.61 |
0.0253 |
0.0012 |
|
8-11 |
49.61 ± 8.34 |
5.13 ± 8.35 |
32.51 ± 17.07 |
3.38 ± 9.16 |
0.0134 |
0.002 |
|
12-15 |
49.08 ± 25.39 |
6.89 ± 20.89 |
25.99 ± 21.21 |
2.22 ± 17.16 |
0.0007 |
0.0007 |
|
16-19 |
30.21 ± 8.20 |
4.92 ± 9.17 |
10.42 ± 8.60 |
1.92 ± 6.65 |
0.0014 |
0.0024 |
|
WOMAC = Western Ontario and McMaster Universities Osteoarthritis Index. VAS = visual analogue scale. SD = standard deviation. |
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