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Comparison of preoperative and postoperative ODI values
| Groups | T1 | T2 | T3 | T4 | F value | p value |
|---|---|---|---|---|---|---|
| PKP group | 75.50 ± 4.48 | 26.75 ± 2.81a | 16.80 ± 1.44a | 12.75 ± 1.29a | 2130.69 | 0.00 |
| BFMC group | 75.45 ± 4.34 | 26.40 ± 2.35a | 15.95 ± 1.10a | 11.95 ± 1.15a | 2387.34 | 0.00 |
| t value | 0.02 | 0.68 | 1.39 | 0.90 | ||
| p value | 0.89 | 0.42 | 0.25 | 0.35 |
Compared with T1, p < 0.05a was considered to indicate a significant difference
T1, before operation; T2, after operation; T3, 1 month; T4, 6 months
