Table 3.
Preoperative and latest follow-up radiographic mean (SD) angles, together with differences and corresponding p-values for studies on subtalar arthroereisis (n = 7) and Horseman procedure (n = 1)
| Study | Follow-up (months) | TNCA | A-TCA | L-TCA | L-T1MA | Pitch | TDA | MCB | |
|---|---|---|---|---|---|---|---|---|---|
| Subtalar arthroereisis | |||||||||
| Radiological follow-up ≥ 48 months | |||||||||
| Mazzotti (26) | 180 | Preoperative | 27° (14°) | 26° (8°) | 43° (6°) | 13° (8°) | 15° (4°) | 138° (10°) | |
| Latest FU | 15° (9°) | 22° (7°) | 43° (5°) | 7° (7°) | 17° (4°) | 129° (7° | |||
| Difference | –12° | –4.2° | 0.1° | –6.3° | 1.8° | –9.3° | |||
| p-value | < 0.001 | < 0.05 | n.s. | < 0.001 | < 0.05 | < 0.001 | |||
| Bernasconi (33) | 62 | Preoperative | 19° (7°) | 29° (4°) | 40° (5°) | 12° (3°) | 144° (8°) | ||
| Latest FU | 12° (8°) | 21° (3°) | 33° (4°) | 17° (5°) | 135° (6°) | ||||
| Difference | –6.9° | –8.0° | –7.0° | 4.8° | –8.9° | ||||
| p-value | n.s. | 0.04 | 0.004 | < 0.001 | < 0.001 | ||||
| Das (34) | 54 | Preoperative | 31° (1°) | 33° (0.4°) | 15° (1°) | 44° (2°) | 148° (3°) | ||
| Latest FU | 23° (1°) | 18° (0.4°) | 22° (1°) | 25° (1.1° | 136° (3°) | ||||
| Difference | –7.8° | –15° | 6.7° | –20° | –12° | ||||
| p-value | < 0.05 | < 0.05 | < 0.05 | < 0.05 | < 0.05 | ||||
| Giannini (35) | 48 | Preoperative | 40° (5°) | 19° (8°) | |||||
| Latest FU | 29° (4°) | 9.4° (7°) | |||||||
| Difference | – 11° | –10.0° | |||||||
| p-value | < 0.001 | < 0.001 | |||||||
| Radiological follow-up < 48 months | |||||||||
| Pavone (28) | 36 | Preoperative | 31° (1°) | 13° (2°) | 44° (6°) | 156° (4°) | |||
| Latest FU | 25° (2°) | 16° (1°) | 31° (3°) | 136° (7°) | |||||
| Difference | –5.9° | 3.7° | –14° | –20° | |||||
| p-value | < 0.001 | < 0.001 | < 0.001 | < 0.001 | |||||
| Memeo (36) | 12 | Preoperative | 28° (3°) | 13° (1°) | 35° (4°) | 137° (4°) | |||
| Latest FU | 22° (5°) | 18° (3°) | 30° (5°) | 124° (6°) | |||||
| Difference | –6.5° | 4.7° | –4.9° | –13° | |||||
| p-value | NA | NA | NA | NA | |||||
| Pavone (37) | 6 | Preoperative | 31° (1°) | 13° (1°) | 43° (5°) | 155° (3°) | |||
| Latest FU | 25° (2°) | 17° (1°) | 30° (2°) | 133° (6°) | |||||
| Difference | –6.1° | 4.2° | –13° | –22° | |||||
| p-value | < 0.001 | < 0.001 | < 0.001 | < 0.001 | |||||
| Overall difference | Median | –9.2° | –6.5° | –3.5° | –10° | 4.5° | –13.5° | –12.7° | |
| IQR, lower | –11.5° | –8.0° | –7.0° | –14.7° | 3.7° | –16.6° | –20.3° | ||
| IQR, upper | –6.9° | –5.9 | 0.1 | 6.3° | 4.8° | –9.1° | –9.3° | ||
| Horseman procedure | |||||||||
| Dana (25) | 107 | Preoperative | 11° (5°) | ||||||
| Latest FU | 13° (5°) | ||||||||
| Difference | 2.6° | ||||||||
| p-value | 0.03 | ||||||||
n.s. = not significant. NA = not applicable.