All patients (n = 83) | No Cut-out (n = 77) | Cut-out (n = 6) | p-value | Odds ratio | 95% Cl | |
---|---|---|---|---|---|---|
Age at surgery | 78.3 | 77.4 | 83.7 | 0.316 | 1.06 | 0.95–1.19 |
Sex | 0.330 | |||||
Female | 62 (74.7%) | 56 | 6 | |||
Male | 21 (25.3%) | 21 (100%) | 0 | |||
BMI (kg/m 2 ) | 21.1 | 20.8 | 25.1 | 0.019 | 1.30 | 1.04–1.62 |
Days to Surgery | 3.2 | 3.1 | 3.6 | 0.554 | 1.05 | 0.89–1.24 |
Fracture classification | 0.519 | |||||
AO/OTA A1 | 64 (77.1%) | 60 (93.75%) | 4 (6.25%) | |||
AO/OTA A2 | 14 (16.8%) | 12 (85.7%) | 2 (14.3%) | |||
AO/OTA A3 | 5 (6.1%) | 5 (100%) | 0 | |||
Basicervical fracture extension | 0.007 | 13.40 | 2.17–82.93 | |||
No | 69 (83.1%) | 67 (97.1%) | 2 (2.9%) | |||
Yes | 14 (16.9%) | 10 (71.4%) | 4 (28.6%) | |||
Singh index | 0.658 | |||||
<=3 | 54 (66.3%) | 49 (94.4%) | 5 (5.6%) | |||
>3 | 29 (33.7%) | 28 (96.6%) | 1 (3.4%) | |||
Cleveland index | 0.549 | |||||
Ideal (zone 5, 8) | 49 (59.0%) | 44 (89.7%) | 5 (10.3%) | |||
Non-ideal (zone 4, 6, 7, 9) | 34 (41.0%) | 33 (97.1%) | 1 (2.9%) | |||
Tip-Apex distance (mm) | 14.5 | 14.5 | 13.6 | 0.645 | 0.94 | 0.74–1.21 |
Neck-shaft angle | 0.300 | |||||
Good (<5 degrees) | 39 (47.0%) | 38 (97.4%) | 1 (2.6%) | |||
Acceptable (5–10 degrees) | 25 (30.1%) | 22 (88.0%) | 3 (12.0%) | |||
Poor (>10 degrees) | 19 (22.9%) | 17 (89.5%) | 2 (10.5%) | |||
Neck-screw axis | 0.248 | |||||
Good (<5 degrees) | 60 (72.3%) | 57 (95.0%) | 3 (5.0%) | |||
Acceptable (5–10 degrees) | 17 (20.5%) | 15 (88.2%) | 2 (11.8%) | |||
Poor (>10 degrees) | 6 (7.2%) | 5 (83.3%) | 1 (16.7%) | |||
Reduction quality (AP view) | 0.032 | |||||
Extramedullary | 34 (41.0%) | 33 (94.3%) | 1 (5.7%) | |||
Anatomical | 48 (57.8%) | 44 (91.7%) | 4 (8.3%) | |||
Intramedullary | 1 (1.2%) | 0 | 1 (100%) | |||
Reduction quality (axial view) | 0.043 | |||||
Extramedullary | 18 (21.7%) | 18 (100%) | 0 | |||
Anatomical | 46 (55.4%) | 44 (95.6%) | 2 (4.4%) | |||
Intramedullary | 19 (22.9%) | 15 (78.9%) | 4 (21.1%) | |||
Anti-rotation screw pull-out | 8 (9.6%) | 6 (75.0%) | 2 (25.0%) | 0.041 | 5.92 | 0.89–39.20 |