Skip to main content
. Author manuscript; available in PMC: 2012 Feb 1.
Published in final edited form as: Osteoarthritis Cartilage. 2010 Nov 26;19(2):171–179. doi: 10.1016/j.joca.2010.11.009

Figure 4.

Figure 4

Glycosaminoglycan content as a percentage of wet weight (sGAG) vs T1ρ relaxation time plots for the top and bottom samples of the normal T2 relaxation time subset: Normal T2 relaxation time is defined to be T2 relaxation time less than the mean plus one standard deviation of the T2 relaxation time for all samples. The data for five specimens, representative of the whole data set, are shown (a–e) along with the data for all normal T2 relaxation time specimens (f). The p-values and regression coefficients are determined for each specimen (a–e). For the entire normal T2 relaxation time data set (f), the p-value is determined from the mixed effects model. The specimen plots illustrate the variability in the data; four specimens have significant correlations (a,b,d,e) and the other follows the same trend (c).