Table 2.
Clinical outcome
| Parameters | ELA (N = 62) | STA (N = 47) | p value |
|---|---|---|---|
| VAS scores | |||
| Preoperative | 6.9 ± 1.1 | 6.6 ± 1.0 | .151 |
| Postoperative 3 days | 4.6 ± 0.9 | 3.0 ± 0.8 | < .001 |
| Postoperative 5 days | 2.3 ± 0.7 | 1.8 ± 0.5 | .002 |
| Postoperative 7 days | 1.6 ± 0.5 | 1.5 ± 0.5 | .693 |
| AOFAS | |||
| Preoperative | 50.0 ± 8.0 | 51.2 ± 7.9 | .413 |
| Postoperative 3 months | 80.3 ± 6.3 | 81.4 ± 5.6 | .325 |
| Final follow-up | 83.7 ± 4.6 | 85.0 ± 4.0 | .113 |
| Bohler’s angle (degrees) | |||
| Preoperation | 13.6 ± 7.3 | 16.0 ± 7.4 | .086 |
| Postoperative 3 months | 30.2 ± 7.6 | 28.2 ± 7.1 | .053 |
| Final follow-up | 29.9 ± 6.6 | 28.4 ± 6.3 | .065 |
| Gissane angle (degrees) | |||
| Pre-operation | 102.8 ± 14.2 | 102.0 ± 12.5 | .920 |
| Postoperative 3 months | 130.0 ± 9.2 | 127.7 ± 8.2 | .255 |
| Final follow-up | 126.0 ± 7.5 | 128.2 ± 7.8 | .139 |
| Preoperative EQ-5D score | 0.63 (0.57–0.68) | 0.59 (0.52–0.68) | .246 |
| Postoperative EQ-5D | 0.92 (0.89–0.95) | 0.93 (0.88–0.95) | .755 |
| Gained QALY | 0.77 (0.73–0.80) | 0.75 (0.69–0.79) | .250 |
EQ-5D EuroQol five-dimensional, VAS Visual Analogue Scale, AOFAS American Orthopaedic Foot and Ankle Society, QALY Quality-adjusted life-year