Table 1 Quantitative characterization of human articular cartilage samples (n = 8) by qMRI parameters and the stiffness at a tissue strain of ε = 15%.

From: Towards Patient-Specific Computational Modelling of Articular Cartilage on the Basis of Advanced Multiparametric MRI Techniques

Sample No

T1 [ms]

T1ρ [ms]

T2 [ms]

T2* [ms]

Stiffness [MPa]

R2 [−]

Ω [%]

1

753.8 ± 184.4

50.6 ± 9

70 ± 10.9

39.7 ± 10.8

1.92

0.993

47

2

670.8 ± 101.1

37.1 ± 11.7

51.1 ± 13

32.6 ± 10.25

3.05

0.992

20

3

760.2 ± 207.8

56 ± 13.7

66.3 ± 15.2

47.5 ± 11.7

1.17

0.936

32

4

787.2 ± 72.9

47.4 ± 14.7

65.8 ± 13.5

37.4 ± 14

1.15

0.978

39

5

625.5 ± 145.2

35.1 ± 14.3

58.4 ± 15.4

27.1 ± 10.9

1.02

0.904

43

6

787.2 ± 120.7

46.6 ± 8.7

88.9 ± 31

37.6 ± 9.1

1.34

0.968

29

7

714.4 ± 156.4

46.5 ± 16.3

56.2 ± 13.2

38.7 ± 14.2

1.18

0.992

28

8

608.9 ± 105.5

28.3 ± 8.4

53.5 ± 11.4

24 ± 6.9

1.38

0.969

31

Mean ± SD

713.5 ± 42.35

44.4 ± 9.3

63.8 ± 11.4

35.6 ± 2.3

1.53 ± 0.68

0.966 ± 0.03

33 ± 9

  1. The entire sample cross-sectional area was the region-of-interest. Data are given as mean ± standard deviation, while goodness-of-fit measures R2 and Ω detailing the correspondence between experimentally measured and theoretically modelled data are shown in the last two columns (from right).
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