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Figure 5b: Bar graphs show comparison of cartilage volume measurements between fluctuating equilibrium (FEMR) and 3D SPGR MR imaging sequences. (a) Graph shows comparison between fluctuating equilibrium and 3D SPGR measurements and actual measured cartilage volume in the phantom. Error bars indicate standard deviations. (b) Graph shows comparison of cartilage volume as measured with each sequence in the femurs of 10 healthy volunteers. There were no significant differences between cartilage volumes measured with the fluctuating equilibrium sequence and those measured with the 3D SPGR sequence in the femur, tibia, and patella (P > .5, paired t test).
