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Table 1 Mean and standard deviation of parameters measured at 1 Hz and thickness of cartilage

From: Viscoelastic properties of bovine knee joint articular cartilage: dependency on thickness and loading frequency

  n Thickness (mm) k’ (N/mm) k” (N/mm) k’/k”
mean SD mean SD mean SD mean SD
Lateral Femoral condyle 12 0.89C 0.24 949A 266 95A,B 24 10.0A 1.5
Medial Femoral condyle 12 0.89C 0.29 897A 203 118A 29 7.9A 1.8
Lateral Patellar groove 9 1.48B,C 0.18 508B,C,D 135 57C,D,E 20 9.3A 2.1
Medial Patellar groove 8 1.14C 0.22 708A,B 235 80B,C 21 9.1A 3.0
Lateral Tibial plateau   0.98C 0.43 763A,B 190 98A,B 29 8.0A 1.1
  meniscus covered 14
Medial Tibial plateau   1.22C 0.29 534B,C 197 60C,D 11 8.8A 2.7
  meniscus covered 13
Lateral Tibial plateau not meniscus covered 15 2.36A 0.5 249D 160 29E 14 8.1A 2
Medial Tibial plateau not meniscus covered 16 2.03A,B 0.78 360C,D 204 45D,E 28 8.3A 1.8
  1. The lettersA, B, C, D, E are used to indicate significant differences between the different regions; where a region does not share a letter they are significantly different (p < 0.05).
  2. n: number of samples tested from each region.