Table 2.
PACS users and their responses.
| User perspectives of the PACS | No. of items | Alphaa | Meanb | Range | ||||||
| Quality | ||||||||||
| Encouraging features | 15 | .906 | 3.284 | 1.567-4.033 | ||||||
| Non encouraging features | 5 | .767 | 3.000 | 2.50-3.400 | ||||||
| Information | ||||||||||
| Produce better information | 4 | .888 | 3.754 | 3.650-4.000 | ||||||
| Images | ||||||||||
| Quality of images produced | 4 | .910 | 4.272 | 4.183-4.333 | ||||||
| Compared to traditional films | 4 | .855 | 4.333 | 4.100-4.483 | ||||||
| Confidence in image quality | 2 | .875 | 4.205 | 4.154-4.256 | ||||||
| Data adequacy—access to patient data | 2 | .808 | 3.558 | 3.500-3.617 | ||||||
| Technical support | ||||||||||
| Reliable, prompt services | 7 | .961 | 3.598 | 3.483-3.683 | ||||||
| Use of the PACS and satisfaction | ||||||||||
| Frequency of PACS use | 5 | .638 | 3.573 | 2.583-4.000 | ||||||
| User satisfaction | 3 | .887 | 3.650 | 3.533-3.717 | ||||||
| Future use of the PACS | ||||||||||
| Expectations, and continuance of use | 3 | .734 | 3.394 | 3.233-3.483 | ||||||
| Overall opinion and impact of the PACS | ||||||||||
| Improved quality and services (benefits) | 21 | .919 | 4.008 | 3.169-4.390 | ||||||
aCronbach Alpha: Measure of Internal Consistency Reliability.
bMean values are based on a 5-point Likert scale, with 1 being the lowest and 5 being the highest.