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©The Author(s) 2022.
World J Orthop. Aug 18, 2022; 13(8): 733-743
Published online Aug 18, 2022. doi: 10.5312/wjo.v13.i8.733
Published online Aug 18, 2022. doi: 10.5312/wjo.v13.i8.733
Table 1 Values of the geometric parameters of the proximal epiphysis of the femur
Range | Mean value | Standard deviation | Standard error | Coefficient of variation | |
Neck-shaft angle (degrees) | 103-144 | 125.99 | 9.09 | 1.08 | 0.07 |
Angle of the minimal resistance zone (degrees) | 14-36 | 23.90 | 5.67 | 0.67 | 0.24 |
АС | 32.3-61.48 | 48.60 | 7.10 | 0.84 | 0.15 |
АВ | 17.94-57.3 | 38.61 | 10.05 | 1.19 | 0.26 |
ВС | 55.51-94.42 | 78.00 | 8.66 | 1.03 | 0.11 |
Upper neck length | 14.19-33.79 | 21.44 | 5.09 | 0.60 | 0.24 |
Lower neck length | 21.72-45.94 | 33.67 | 5.19 | 0.62 | 0.15 |
Table 2 Scale for determining the risk of femoral neck base fractures according to the morphometric parameters
Neck-shaft angle | Angle of minimal resistance zone | The ratio of the top and bottom neck lengths | |
1 point | 130.24 and more | 14 and less | 0.56 and less |
2 points | 127.5-130.24 | 18.95-29.95 | 0.57-0.74 |
3 points | Less than 127.5 | More than 29.95 | 0.75 and more |
- Citation: Shitova AD, Kovaleva ON, Olsufieva AV, Gadzhimuradova IA, Zubkov DD, Kniazev MO, Zharikova TS, Zharikov YO. Risk modeling of femoral neck fracture based on geometric parameters of the proximal epiphysis. World J Orthop 2022; 13(8): 733-743
- URL: https://www.wjgnet.com/2218-5836/full/v13/i8/733.htm
- DOI: https://dx.doi.org/10.5312/wjo.v13.i8.733