Skip to main content
. 2015 Apr;6(2):113–122. doi: 10.1177/1947603515569529

Table 1.

Pearson Correlation Coefficients Between Initial Elastic Modulus (MPa), sGAG Content (% Wet Weight), Collagen Content (% Wet Weight), and 1/T2, 1/T1ρ, T1ρ/T2.

Relaxation (ms−1)
T1ρ/T2
Group (n) 1/T2 1/T1ρ 500 Hz 1/T1ρ 1000 Hz T1ρ(500 Hz)/T2 T1ρ(1000 Hz)/T2
E0 (MPa) Noyes = 0 (58) −0.09 (0.553) 0.16 (0.320) 0.15 (0.349) –0.37 (0.016) –0.32 (0.034)
All (79) −0.09 (0.490) 0.12 (0.340) 0.17 (0.194) –0.27 (0.034) –0.29 (0.021)
sGAG content (% wet weight) Noyes = 0 (58) 0.31 (0.044) 0.34 (0.024) 0.28 (0.072) −0.01 (0.945) 0.08 (0.630)
All (79) 0.14 (0.273) 0.26 (0.041) 0.22 (0.082) −0.14 (0.272) −0.09 (0.490)
Collagen content (% wet weight) Noyes = 0 (58) 0.07 (0.678) 0.0 (0.992) −0.01 (0.946) −0.12 (0.466) −0.10 (0.525)
All (79) −0.05 (0.678) −0.18 (0.166) −0.20 (0.119) −0.16 (0.204) −0.15 (0.253)

Note: The correlation coefficient (R) is given with the P value in parentheses. A P value less than 0.05 was considered significant, and those results are given in boldface. sGAG = sulfated glycosaminoglycan.