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Diagnostic confidence in the assessment of PE
| Parameter | 120-kVp equivalent | 90-kVp | p-value |
| Overall confidence | 4.1 ± 0.5 | 3.8 ± 0.6 | <0.001 |
| Confidence central PE | 4.0 ± 0.4 | 4.2 ± 0.4 | 0.308 |
| Confidence segmental PE | 3.8 ± 0.6 | 3.5 ± 0.6 | 0.063 |
PE, pulmonary embolism.
