Using Three-Dimensional Computational Modeling to Compare the Geometrical Fitness of Two Kinds of Proximal Femoral Intramedullary Nail for Chinese Femur

Table 1

The average fitness value of impingement on the proximal portion of the implant (mm).

	InterTan (𝑛=29)	PFNA-II (𝑛=7)	𝑃 value
Thickness	2.53 ± 0.58	1.27 ± 0.15	0.017
Length	8.61 ± 1.84	10.62 ± 2.26	0.183
Distance from the top of the great trochanter	57.31 ± 5.42	62.82 ± 5.87	0.213