Table 5.
Individual results of observer one for the first time O1(1) and Observer one for the second time O1(2) angle measurement at independend first (1) and second (2) occasion, and of observer 2 (O2), for the accuracy and precision tests of independency of tibial positioning in the CT-scanner gantry.
| Results of the test for independency from positioning (n = 60) of the tibia (n = 20) on the table by double oblique deviation from the z-axis in the scanner gantry: individual angular measurement results of observer 1 (two repeated measurements) and observer 2 | |||||||
|---|---|---|---|---|---|---|---|
| Tibia (n = 20) and scan (n = 60) | Positioning of the tibia: deviation from z-axis (degree) | TTA | TVA | ||||
| O1 (1) | O1 (2) | O2 | O1 (1) | O1 (2) | O2 | ||
| 1.1 | 0° | 171.2 | 170.9 | 171.8 | 185 | 184.2 | 185.6 |
| 1.2 | 15° | 170.7 | 170.6 | 170.1 | 185.5 | 184.9 | 184.6 |
| 1.3 | 45° | 170.9 | 171.1 | 170.4 | 185.3 | 185.2 | 185.5 |
| 2.1 | 0° | 180.3 | 180.5 | 180.4 | 187.9 | 188 | 186.9 |
| 2.2 | 15° | 179.8 | 180 | 180 | 188.2 | 188.1 | 187.3 |
| 2.3 | 45° | 180.1 | 179.7 | 180.2 | 187.5 | 187.8 | 187.9 |
| 3.1 | 0° | 174.9 | 175.1 | 174.6 | 183.7 | 183.5 | 183.8 |
| 3.2 | 15° | 174.5 | 174.8 | 174.1 | 183.9 | 183.1 | 183.8 |
| 3.3 | 45° | 175.1 | 175 | 174.6 | 183.3 | 183.3 | 183.2 |
| 4.1 | 0° | 172.9 | 171.9 | 173.5 | 184.1 | 184 | 182.5 |
| 4.2 | 15° | 170.1 | 171.3 | 172.5 | 183.7 | 183.7 | 181.9 |
| 4.3 | 45° | 170.6 | 171.5 | 171.5 | 181.2 | 182.4 | 184.3 |
| 5.1 | 0° | 175.5 | 174.3 | 175.6 | 188.7 | 188.6 | 187.5 |
| 5.2 | 15° | 173.9 | 174.1 | 175.5 | 185.6 | 187.5 | 188.5 |
| 5.3 | 45° | 173.8 | 174.1 | 176.1 | 190.3 | 189 | 188.1 |
| 6.1 | 0° | 178.8 | 178.5 | 179 | 184.4 | 184.4 | 196.4 |
| 6.2 | 15° | 178.6 | 178.7 | 178.7 | 183.8 | 183.7 | 189.9 |
| 6.3 | 45° | 176.1 | 177.9 | 176.9 | 186.9 | 185.3 | 191.9 |
| 7.1 | 0° | 183.7 | 183.6 | 181.3 | 184.9 | 185 | 186.9 |
| 7.2 | 15° | 183.1 | 183.4 | 181.7 | 186.1 | 185.7 | 186 |
| 7.3 | 45° | 181.7 | 182.9 | 181 | 184.1 | 185.1 | 184.3 |
| 8.1 | 0° | 177.5 | 177.3 | 176.9 | 184.4 | 184.3 | 186.5 |
| 8.2 | 15° | 177 | 177.1 | 177.5 | 181 | 182.4 | 184.9 |
| 8.3 | 45° | 177.2 | 177.2 | 176.7 | 182 | 182.4 | 183.3 |
| 9.1 | 0° | 175.9 | 175.7 | 175 | 184.5 | 184.4 | 183.3 |
| 9.2 | 15° | 175.3 | 175.7 | 176 | 184.2 | 184.4 | 182.5 |
| 9.3 | 45° | 175.7 | 175.4 | 175.8 | 185.6 | 184.9 | 183 |
| 10.1 | 0° | 172.4 | 172.1 | 172 | 184.1 | 183.9 | 183.7 |
| 10.2 | 15° | 171.2 | 172.4 | 171.5 | 180.3 | 182.3 | 183.2 |
| 10.3 | 45° | 172.9 | 172.5 | 172.3 | 181 | 182 | 183.5 |
| 11.1 | 0° | 173.6 | 173.7 | 173.5 | 183.1 | 183.2 | 182.8 |
| 11.2 | 15° | 174.4 | 173.8 | 172.8 | 181.5 | 181.7 | 183.6 |
| 11.3 | 45° | 174.9 | 173.9 | 174.6 | 184.3 | 183.9 | 182.6 |
| 12.1 | 0° | 178.7 | 178.8 | 181.4 | 184.5 | 184.5 | 181.8 |
| 12.2 | 15° | 178.7 | 179 | 180.5 | 185.9 | 184.9 | 182.9 |
| 12.3 | 45° | 178.4 | 178.7 | 180.1 | 183.6 | 183.7 | 182.3 |
| 13.1 | 0° | 177.2 | 177.1 | 176.5 | 187 | 187.1 | 186.9 |
| 13.2 | 15° | 177.1 | 176.9 | 176.4 | 188.5 | 188.3 | 183.8 |
| 13.3 | 45° | 177.1 | 177 | 176.7 | 186.9 | 187 | 184.7 |
| 14.1 | 0° | 176.5 | 176.5 | 176.1 | 180.7 | 180.9 | 183.1 |
| 14.2 | 15° | 177.5 | 177 | 176.5 | 184.3 | 182.1 | 184 |
| 14.3 | 45° | 176.7 | 177 | 176.5 | 183.5 | 182.9 | 184.1 |
| 15.1 | 0° | 172.5 | 171.9 | 171.7 | 179.7 | 180.1 | 184.1 |
| 15.2 | 15° | 171 | 171.5 | 172 | 181 | 180.8 | 185.1 |
| 15.3 | 45° | 171.1 | 171.6 | 171 | 180.7 | 180.7 | 185.2 |
| 16.1 | 0° | 166.3 | 167 | 168.9 | 187.4 | 187.5 | 182.7 |
| 16.2 | 15° | 166.2 | 167.1 | 168.1 | 186 | 186.3 | 184.3 |
| 16.3 | 45° | 168.8 | 167.6 | 167.9 | 187.1 | 186.9 | 183 |
| 17.1 | 0° | 173.9 | 174.1 | 174 | 182.9 | 182.8 | 182.6 |
| 17.2 | 15° | 174.3 | 174 | 174.2 | 182.5 | 182.5 | 183 |
| 17.3 | 45° | 174.8 | 174.3 | 174.7 | 182.1 | 182.3 | 183.1 |
| 18.1 | 0° | 184.3 | 184.1 | 184.4 | 182.1 | 182.3 | 182.7 |
| 18.2 | 15° | 184.3 | 184.1 | 184.7 | 180.5 | 180.4 | 132.2 |
| 18.3 | 45° | 185.7 | 184.6 | 184.4 | 180 | 180.9 | 183.2 |
| 19.1 | 0° | 174.7 | 175 | 174.7 | 184.4 | 185.1 | 184.9 |
| 19.2 | 15° | 176.6 | 175.2 | 175.7 | 186.3 | 185 | 183.2 |
| 19.3 | 45° | 175.2 | 175.1 | 174.7 | 180.8 | 183 | 183 |
| 20.1 | 0° | 179.3 | 179.3 | 179.2 | 185.7 | 185.7 | 182.8 |
| 20.2 | 15° | 179.3 | 179 | 178.9 | 182.8 | 184.2 | 183.4 |
| 20.3 | 45° | 178.1 | 178.6 | 179.1 | 181.3 | 182 | 182.6 |