Discrepancies between preliminary and final radiology reports: Impact of training level, imaging modality, and clinical risk factors.

Discrepancy rates were higher in older patients (OR 1.006 per year, 95% CI 1.004-1.008, p < 0.001), ICU admissions (4.3%, OR 1.638, p = 0.008), during early evening hours 15:00-19:00 (OR 1.382, p = 0.048) and on weekends (OR 1.302, 95% CI 1.468-1.153, p < 0.001).).

CT scans had higher discrepancy rates than ultrasound (ultrasound) studies (OR 2.02, 95% CI 1.57-2.59, p < 0.001).

Report accuracy improved progressively with a decrease in discrepancy rate from 3.3% in PGY-1 to 1.6% in PGY-5.