Table 3.
The impact on the storage needs of dataset types for 867 CT examinations performed during the 2-week sample period
| Data volume (Mb) | Impact on storage needa (%) | |
|---|---|---|
| Main PACS | ||
| Preparation scanb | 0.5 | 0.5 |
| Axial dataset | 16.6 | 15.9 |
| Standardized 3-Dc | 7.3 | 7.0 |
| Additional 3-Dd | 2.4 | 2.3 |
| Total | 26.8 | 25.6 |
| Mini-PACS | ||
| Volumetric dataset | 78.1 | 74.4 |
| Total | 104.9 | 100.0 |
aDefined as the data volume of the given dataset divided by the total CT data volume in the main PACS and mini-PACS.
bScout and bolus-tracking images.
cRoutinely performed by technologists.
dAdded by radiologists.