Table 2.
Preoperative values for the three subgroups showing similar values for all parameters
| Parameters measured | Resection arthroplasty (n = 16) | No previous osteotomy (n = 15) | Previous osteotomy (n = 8) | |||
|---|---|---|---|---|---|---|
| Mean | 95% CI | Mean | 95% CI | Mean | 95% CI | |
| Age (years) | 59.0 | [54.85; 63.15] | 58.3 | [50.50; 66.17] | 59.5 | [51.88; 67.12] |
| HVA (°) | 29.6 | [27.01; 32.11] | 31.0 | [27.36; 34.64] | 28.4 | [26.59; 30.16] |
| IMA (°) | 13.5 | [12.32; 14.68] | 12.2 | [10.91; 13.49] | 14.1 | [11.18; 17.07] |
| DMAA (°) | 7.8 | [11.10; 16.40] | 15.9 | [11.97; 19.90] | 9.0 | [6.55; 11.45] |
| Sesamoid bone position (%) | 54.7 | [41.62; 67.76] | 60.0 | [47.40; 72.60] | 78.1 | [60.68; 95.57] |
| Index (mm) | −0.8 | [−1.92; 0.29] | −0.8 | [−2.70; 1.10] | −1.9 | [−4.79; 1.04] |
| AOFAS | 56.1 | [53.58; 58.42] | 56.0 | [51.44; 60.56] | 56.1 | [49.15; 63.10] |
| ROM | 71.6 | [62.04; 81.08] | 73.7 | [62.72; 84.62] | 66.3 | [57.67; 74.83] |
| VAS | 5.6 | [5.01; 6.24] | 6.3 | [5.99; 6.68] | 5.8 | [5.34; 6.41] |
HVA = hallus valgus angle; IMA = intermetatarsal angle; DMAA = distal metatarsal articular angle; AOFAS = American Orthopaedic Foot and Ankle Society; VAS = visual analog scale.