Table 2.

Descriptive statistics of the femoral anterior bow.

Index	Men (n = 100)		Women (n = 92)		P	Total (n = 192)
	Mean ± SD	Range	Mean ± SD	Range		Mean ± SD	Range
MD (mm)	10.77 ± 1.53	7.16–14.60	9.79 ± 1.27	6.56–12.42	≤0.001	10.30 ± 1.48	6.56–14.60
RFC (mm)	958.79 ± 266.61	509.91–1822.58	883.57 ± 249.74	452.74–1584.65	0.046	922.74 ± 260.05	452.74–1822.58
Dist. (mm)	60.93 ± 5.81	42.62–74.67	56.31 ± 2.80	50.33–64.88	≤0.001	58.72 ± 5.14	42.62–74.67
Angle α (°)	5.01 ± 1.22	2.24–7.46	4.56 ± 1.35	2.15–7.49	0.016	4.79 ± 1.30	2.15–7.49

MD: minimum diameter; RFC: radius of the femoral curvature; Dist.: distance from point A to point P; angle α: central angle corresponding to $\stackrel{⌢}{\text{AP}}$.