Table 2 Agreement analysis of knee cartilage volume measured with different samples of 1.5 mm thick MRI slices*
Whole sample (n = 150) | TASOAC sample (n = 100) | KCV sample (n = 50) | ||||
|---|---|---|---|---|---|---|
%Difference (SD) | ICC† | %Difference (SD) | ICC† | %Difference (SD) | ICC† | |
Lateral tibial cartilage | ||||||
The whole sample | Reference | Reference | Reference | Reference | Reference | Reference |
1/2 whole sample‡ | -0.04(1.5) | 1.00 | 0.35(1.4) | 1.00 | -0.84(1.4) | 1.00 |
1/3 whole sample‡ | -0.61(2.3) | 1.00 | 0.11(2.1) | 1.00 | -2.09(1.8) | 1.00 |
1/4 whole sample‡ | -1.12(3.4) | 1.00 | -0.11(3.0) | 1.00 | -3.18(3.3) | 0.99 |
Medial tibial cartilage | ||||||
The whole sample | Reference | Reference | Reference | Reference | Reference | Reference |
1/2 whole sample‡ | -0.50(1.7) | 1.00 | -0.98(1.4) | 1.00 | 0.46(1.7) | 1.00 |
1/3 whole sample‡ | -1.70(3.3) | 0.99 | -2.97(2.8) | 0.99 | 0.83(2.9) | 1.00 |
1/4 whole sample‡ | -3.27(5.0) | 0.98 | -5.09(3.9) | 0.97 | 0.38(4.9) | 0.99 |
Patellar cartilage | ||||||
The whole sample | Reference | Reference | Reference | Reference | Reference | Reference |
1/2 whole sample‡ | -0.36(1.2) | 1.00 | -0.40(1.2) | 1.00 | -0.29(1.3) | 1.00 |
1/3 whole sample‡ | -0.91(2.0) | 1.00 | -0.93(2.0) | 1.00 | -0.86(1.9) | 1.00 |
1/4 whole sample‡ | -2.24(3.0) | 1.00 | -2.12(2.9) | 1.00 | -2.50(3.3) | 1.00 |