TAHTCSO(n = 45) | SO(n = 47) | P | Test | |
---|---|---|---|---|
IMA before surgery | 16.47 ± 2.30 | 15.98 ± 1.89 | 0.3472 | Unpaired T test |
IMA 6 months | 7.03 ± 0.70 | 7.27 ± 1.35 | 0.1405 | Unpaired T test |
IMA 12 months | 7.31 ± 1.72 | 8.03 ± 3.67 | 0.2301 | Unpaired T test |
IMA 24 months | 8.62 ± 2.49 | 9.02 ± 2.43 | 0.2505 | Unpaired T test |
HVA before surgery | 34.02 ± 3.49 | 33.02 ± 2.43 | 0.9072 | Unpaired T test |
HVA 6 months* | 11.96 ± 1.33 | 15.72 ± 3.99 | < 0.0001 | Unpaired T test |
HVA 12 months* | 13.03 ± 1.70 | 17.11 ± 3.69 | < 0.0001 | Unpaired T test |
HVA 24 months* | 13.71 ± 2.62 | 19.38 ± 2.53 | < 0.0001 | Unpaired T test |
DMAA before surgery | 9.71 ± 2.62 | 9.38 ± 2.53 | 0.4589 | Unpaired T test |
DMAA 6 months | 6.09 ± 0.89 | 6.32 ± 0.77 | 0.0542 | Unpaired T test |
DMAA 12 months | 6.23 ± 1.02 | 6.25 ± 1.15 | 0.1537 | Unpaired T test |
DMAA 24 months | 7.05 ± 1.13 | 7.12 ± 0.89 | 0.2769 | Unpaired T test |
1#MTP ROM (dorsiflexion) before surgery | 68.25 ± 2.90 | 68.73 ± 3.10 | 0.3681 | Unpaired T test |
1#MTP ROM (dorsiflexion) 6 months | 69.23 ± 3.02 | 69.16 ± 1.89 | 0.1364 | Unpaired T test |
1#MTP ROM (dorsiflexion) 12 months | 71.18 ± 2.81 | 70.09 ± 2.23 | 0.2246 | Unpaired T test |
1#MTP ROM (dorsiflexion) 24 months | 73.78 ± 2.72 | 75.08 ± 1.87 | 0.3013 | Unpaired T test |
1#MTP ROM (plantarflexion) before surgery | 33.05 ± 3.13 | 32.12 ± 2.89 | 0.2589 | Unpaired T test |
1#MTP ROM (plantarflexion) 6 months | 35.72 ± 2.97 | 36.73 ± 1.78 | 0.1854 | Unpaired T test |
1#MTP ROM (plantarflexion) 12 months | 36.63 ± 1.98 | 37.03 ± 1.89 | 0.2583 | Unpaired T test |
1#MTP ROM (plantarflexion) 24 months | 37.73 ± 2.08 | 39.71 ± 1.06 | 0.2641 | Unpaired T test |
AOFAS before surgery | 44.01 ± 0.56 | 43.24 ± 0.57 | 0.4709 | Unpaired T test |
AOFAS 6 months | 76.67 ± 0.19 | 76.61 ± 0.15 | 0.3821 | Unpaired T test |
AOFAS 12 months | 80.17 ± 2.15 | 81.64 ± 0.19 | 0.3531 | Unpaired T test |
AOFAS 24 months | 80.69 ± 0.19 | 79.67 ± 0.39 | 0.1432 | Unpaired T test |
Complication hallus varus | 0 | 2 | 0.0856 | Fisher’s exact test |
Complication delayed healing | 0 | 0 | – | – |
Complication nonunion | 0 | 0 | – | – |
Complication troughing | 0 | 3 | 0.0512 | Fisher’s exact test |
Additional Akin osteotomy (n) | 9 | 12 | 0.0631 | Fisher’s exact test |