Table 2.

Neocartilage regional mechanical properties.

Group	Region	Aggregate modulus [kPa]	Shear modulus [kPa]	Permeability [1 × 10−15 m4 N−1 s−1]	Tensile modulus [MPa]	Ultimate tensile strength [MPa]
Early OC Assembly	Outer	43.3 ± 11.7	20.5 ± 5.4a	13.7 ± 6.8	1.0 ± 0.2	0.4 ± 0.2
	Inner	34.1 ± 8.8	15.7 ± 4.5b	13.4 ± 6.3	0.8 ± 0.3	0.4 ± 0.2
Late OC Assembly	Outer	33.8 ± 5.2	24.1 ± 15.7	3.9 ± 1.1	1.1 ± 0.4a	0.5 ± 0.1a
	Inner	32.2 ± 7.4	14.9 ± 2.3	3.9 ± 0.8	0.8 ± 0.3b	0.4 ± 0.1b

Mechanical properties by region of neocartilage within each OC Assembly group. Paired t-tests comparing the inner vs. outer regions within the early and late OC assembly groups were performed, unless otherwise stated. Paired comparisons of aggregate modulus and shear modulus between the inner and outer regions within the late OC Assembly group were performed using a non-parametric Wilcoxon matched-pairs signed-rank.

OC osteochondral.

Data are presented as means ± standard deviations. Groups marked by different letters (i.e., a and b) are statistically different.