Table 1 Characterizing diagnostic errors: CT scans and ultrasounds ( n = 28)
Region of anatomy scanned | Six-month ED usage | Significant discrepancy reported | Percentage | 95 % CI |
|---|---|---|---|---|
CT head | 2,798 | 8 | 0.29 % | (0.12%, 0.56%) |
CT chest | 404 | 3 | 0.74 % | (0.15%, 2.15%) |
CT abdo/pelvis | 1,359 | 9 | 0.67 % | (0.30%,1.25%) |
CT spine/neck | 255 | 1 | 0.39 % | (0.01%, 2.17%) |
CT extremity | 72 | 2 | 2.8 % | (0.34%, 9.68%) |
US abdo/pelvis | 1,354 | 2 | 0.15 % | (0.02%, 0.53%) |
X-Ray | 11,943 | 3 | 0.03 % | (0.01%, 0.07%) |
Total: | 18,185 | 28 | 0.10 % | (0.10%, 0.22%) |