TABLE 1.

Mechanical analyses by gender and genotype^a

Gender	Genotype	Yield load (N)	Stiffness (N/mm)	Displacement ratio
Female	Pcolce−/−	20.9 (4.9)	214 (35)	3.00 (1.3)
	WTb	20.9 (5.5)	207 (40)	2.88 (1.3)
Male	Pcolce−/−	25.9 (6.6)*	256 (65)*	2.62 (1.0)
	WT	21.0 (5.8)	204 (43)	2.76 (1.1)

^aData are given as means (standard deviations). *, significant (P ≤ 0.05).

^bWT, wild type.