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. Author manuscript; available in PMC: 2015 Jun 27.
Published in final edited form as: J Biomech. 2013 Nov 11;47(9):2165–2172. doi: 10.1016/j.jbiomech.2013.10.044

Table 2.

Coefficients of determination (R2) and p-values (p) for the linear regression fits to the construct matrix accumulation (“Accumulation”) and cumulative matrix release (“Release”) over the course of culture (control and β3+ regressions over days 0 to 45; β3− regression over day 14 to 45).

Constituent Group
β3− β3+ Control
R2 p R2 p R2 p
GAG Accumulation 0.77 <0.001 0.90 <0.001 0.89 <0.001
Release 0.98 <0.001 0.98 <0.001 0.99 <0.001
Collagen Accumulation 0.69 <0.001 0.82 <0.001 0.72 <0.001
Release 0.97 <0.001 0.98 <0.001 0.99 <0.001
COMP Accumulation 0.81 <0.001 0.37 0.007 0.84 <0.001
Release 0.95 <0.001 0.99 <0.001 0.99 <0.001