Number | JOA | | VAS | |
---|
| Before | After | Before | After |
1 | 6 | 24 | 9 | 2 |
2 | 7 | 24 | 9 | 1 |
3 | 21 | 28 | 7 | 0 |
4 | 13 | 17 | 6 | 1 |
5 | 14 | 26 | 8 | 0 |
6 | 23 | 28 | 5 | 2 |
7 | 10 | 24 | 8 | 0 |
U value | 2.00 | | 0.00 | |
P value | 0.004b | | 0.002b | |
- JOA and VAS scores of the patients before and after 12 months of operation are shown in Table 2. a Statistical difference between before and 12 months after operation level was set at < 0.05. b Statistically significant difference was set at < 0.01. JOA: Japanese Orthopaedic Association; VAS: visual analogue scale