Table 3 Angular values (IMA, HVA and DMAA), sesamoid position, metatarsal index and congruency of the metatarso-phalangeal-I articular surface
| Â | Pre-op | 3-month FU | 12-month FU | 48-month FU | Efficacy (%) |
|---|---|---|---|---|---|
IMA (degrees) | |||||
 Tot. (DS) | 12.9 (2.8) | 9.0 | 9.0 | 9.0 (2.0) | 30.23 |
 Mild | 9.1 |  |  | 7.1 | 22.0 |
 Moderate | 12.1 |  |  | 9.0 | 27.3 |
 Severe | 16.6 |  |  | 10.0 | 39.2 |
HVA (degrees) | |||||
 Tot. | 26.4 (6.7) | 12.3 | 13.1 | 13.9 (6.2) | 47.35 |
 Mild | 16.4 |  |  | 9.8 | 40.2 |
 Moderate | 26.0 |  |  | 14.2 | 45.0 |
 Severe | 32.0 |  |  | 14.7 | 54.0 |
DMAA (degrees) | |||||
 Tot. | 10.12 (4.3) | 5.0 | 5.2 | 5.4 (3.2) | 46.64 |
 Mild | 6.3 |  |  | 3.9 | 38.1 |
 Moderate | 10.0 |  |  | 5.3 | 47.0 |
 Severe | 12.4 |  |  | 6.5 | 47.6 |
Sesamoid Position (pts) | |||||
 Tot. | 2.4 (0.6) | 1.1 | 1.2 | 1.3 (0.6) | 45.83 |
 Mild | 2.0 |  |  | 0.9 | 55.0 |
 Moderate | 2.3 |  |  | 1.3 | 43.5 |
 Severe | 2.8 |  |  | 1.7 | 39.3 |
Metatarsal Index | |||||
 M1 < M2 | 34 |  |  | 58 |  |
 M1 = M2 | 28 |  |  | 19 |  |
 M1 > M2 | 18 |  |  | 3 |  |
MTP-I Art. Sup. | |||||
 Congruent | 61 |  |  | 77 |  |
 Incongruous | 19 |  |  | 3 |  |