Table 1.
Baseline demographics data of all patients
| n=209 | Mean±SD | Min–Max | |||
|---|---|---|---|---|---|
| Age, year | 81.62±8.8 | 65–104 | |||
| Female/male | 150 (71.8%)/59 (28.2%) | ||||
| Side; left/right | 105/104 | ||||
| Implant, intertan / PFNA | 144/65 | ||||
| Fracture type | |||||
| 31 A1 | 78 | ||||
| 1, n | 24 | ||||
| 2, n | 48 | ||||
| 3, n | 6 | ||||
| A2 | 109 | ||||
| 1, n | 36 | ||||
| 2, n | 57 | ||||
| 3, n | 16 | ||||
| A3 22 | |||||
| 1, n | 10 | ||||
| 2, n | 4 | ||||
| 3, n | 8 | ||||
| Tip apex distance, AP | 12.4±4.6 | 2.2–27 | |||
| Tip apex distance, lateral | 11.5±4.7 | 1–26 | |||
| Cortical thickness index, fracture side | 0.469±0.09 | 0.19–0.97 | p<0.001 | ||
| Cortical thickness index, unaffected side | 0.510±0.09 | 0.27–0.81 | |||
| Canal-to-calcar ratio, fracture side | 0.636±0.15 | 0.34–1.33 | p<0.001 | ||
| Canal-to-calcar ratio, unaffected side | 0.568±12 | 0.28–0.95 | |||
| Dorr index, fracture side A/B/C | 36/115/48 | p<0.001 | |||
| Dorr index, unaffected side A/B/C | 65/123/21 | ||||
| Screw/blade prominence, n | 29 | ||||
| Excessive collapse, n | 30 | ||||
| Failure ratio, n | 16 | ||||
| Re-operation surgery, n | 5 | ||||
SD: Standard deviation; Min: Minimum; Max: Maximum; AP: Anteroposterior.