Table 2.
Storage (k’ ) and loss (k”) stiffness, and their ratio, at 1 Hz and cartilage thickness
| n |
Thickness (mm) |
k’ (N/mm) |
k” (N/mm) |
k’/k” |
|||||
|---|---|---|---|---|---|---|---|---|---|
| mean | SD | mean | SD | mean | SD | mean | SD | ||
| Femoral condyles |
24 |
0.89A |
0.26 |
923A |
233 |
106A |
28 |
9.0A |
2.0 |
| Patellar groove |
17 |
1.32B |
0.26 |
614B |
215 |
69B |
23 |
9.2A |
2.5 |
| Tibial plateau meniscus covered |
31 |
1.10A,B |
0.38 |
653B |
223 |
80B |
29 |
8.4A |
2.0 |
| Tibial plateau not meniscus covered | 27 | 2.19C | 0.67 | 304C | 189 | 37C | 23 | 8.2A | 1.8 |
The lettersA, B, C 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).
n:number of samples tested from each region.