Table 1 HU values of selected areas measured in CT scans with and without prosthesis
Femur head with removable prosthesis | Femur head without removable prosthesis | Femur head with attached prosthesis | ||||
|---|---|---|---|---|---|---|
CT slice | HU value of selected area | Homogeneity value | HU value of selected area | Homogeneity value | HU value of selected area | Homogeneity value |
1 | 1377 | 77 | 1424 | 64 | 1422 | 129 |
1423 | 81 | 1350 | 97 | 1296 | 81 | |
1455 | 82 | 1334 | 76 | 1402 | 91 | |
2 | 1299 | 122 | 1395 | 65 | 1431 | 144 |
1367 | 125 | 1349 | 89 | 1433 | 161 | |
1262 | 133 | 1421 | 59 | 1338 | 53 | |
3 | 1366 | 109 | 1405 | 39 | 1534 | 102 |
1372 | 80 | 1400 | 89 | 1497 | 104 | |
1436 | 116 | 1386 | 72 | 1352 | 56 | |
4 | 1304 | 82 | 1428 | 116 | 1436 | 143 |
1377 | 93 | 1478 | 96 | 1518 | 120 | |
1534 | 75 | 1335 | 97 | |||
5 | 1413 | 107 | 1406 | 66 | 1479 | 159 |
1315 | 120 | 1340 | 63 | 1495 | 160 | |
1568 | 72 | 1422 | 69 | |||
Mean (SD) | 1391 (84) | 98 (21) | 1392 (42) | 77 (20) | 1433 (72) | 116 (38) |