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Mean error comparison*
| Comparison groups | p value |
|---|---|
| Observer 1 | |
| CT versus cross-table lateral radiograph | 0.302 |
| CT versus modified cross-table lateral radiograph | 0.241 |
| Cross-table lateral radiograph versus modified cross-table lateral radiograph | 0.935 |
| Observer 2 | |
| CT versus cross-table lateral radiograph | 0.470 |
| CT versus modified cross-table lateral radiograph | 0.334 |
| Cross-table lateral radiograph versus modified cross-table lateral radiograph | 0.775 |
* Results of paired t-tests.
