Table 1 Demographic characteristics of 98 patients
Age (mean + SD) years | 74.8 (SD 14.9) |
|---|---|
Sex | |
Male | 40 (40.8%) |
Female | 58 (59.2%) |
BMI (mean + SD) | 23.7 (SD 4.6) |
OTA classificationa | |
A1 | 10 (10.2%) |
A2 | 73 (74.5%) |
A3 | 15 (15.3%) |
Quality of reduction | |
According to neck–shaft angle | |
Good | 61 (62.2%) |
Acceptable | 25 (25.5%) |
Poor | 12 (12.2%) |
According to medial cortical support | |
Negative | 9 (9.2%) |
Neutral | 45 (45.9%) |
Positive | 44 (44.9%) |
Quality of fixation | |
TAD (mm) | 20.9 (SD 5.8) |
Position of lag screw (Cleveland index) | |
1/2/3 | 7 (7.1%)/35 (35.7%)/2 (2.0%) |
4/5/6 | 2 (2.0%)/48 (49.0%)/2 (2.0%) |
7/8/9 | 0/2 (2.0%)/0 |
Short nail | 30 (30.6%) |
Long nail | 68 (69.4%) |
Morphology of the femur | |
Lesser trochanter width (mm) | 30.4 (SD 4.1) |
Low-lesser trochanter width (mm) | 22.6 (SD 3.3) |
Diameter of the isthmus (mm) | 14.1 (SD 2.5) |
Canal flare index | 2.3 (SD 0.9) |
Complication | |
PPIF | 12 (12.2%) |
Nonunion | 6 (6.1%) |