Table 3.

Mean (Kmean), standard deviation(σK), minimum (Kmin) and maximum(Kmax) of the ratio K of the internal to external diameter of human femur pairs measured at the mid-points of the shafts with evaluation of their radiographs

Human femur pairs
ViewKleftKrightKmeanσKKminKmax
All (N=49=24f+25m) Posterior 0.487 0.496 0.491 0.075 0.349 0.718 
 Medial 0.579 0.591 0.585 0.063 0.473 0.729 
Subadults (N=13=7f+6m) Posterior 0.533 0.549 0.541 0.061 0.450 0.640 
 Medial 0.576 0.587 0.581 0.039 0.536 0.644 
Adults (N=14=9f+5m) Posterior 0.459 0.467 0.463 0.048 0.385 0.567 
 Medial 0.599 0.580 0.589 0.067 0.491 0.729 
Old people (N=22=8f+14m) Posterior 0.480 0.485 0.483 0.086 0.349 0.718 
 Medial 0.580 0.585 0.583 0.074 0.473 0.678 
Human femur pairs
ViewKleftKrightKmeanσKKminKmax
All (N=49=24f+25m) Posterior 0.487 0.496 0.491 0.075 0.349 0.718 
 Medial 0.579 0.591 0.585 0.063 0.473 0.729 
Subadults (N=13=7f+6m) Posterior 0.533 0.549 0.541 0.061 0.450 0.640 
 Medial 0.576 0.587 0.581 0.039 0.536 0.644 
Adults (N=14=9f+5m) Posterior 0.459 0.467 0.463 0.048 0.385 0.567 
 Medial 0.599 0.580 0.589 0.067 0.491 0.729 
Old people (N=22=8f+14m) Posterior 0.480 0.485 0.483 0.086 0.349 0.718 
 Medial 0.580 0.585 0.583 0.074 0.473 0.678 

At every femur pair the average Kmean=(Kleft+Kright)/2 of the K of the left and right femur was calculated. N,number of femora investigated (f, female; m, male). Subadults, age 0–20 years; adults, age 21–50 years; old people, age above 50 years.

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