Table 4: Frequency distribution of the responses to question 14 relating to the use of the EI in clinical practice (frequencies missing for some items).
Characteristics Percent (Number)
Often Sometimes Seldom Never No Idea
a. Relate EIs to Image Quality 60.6 (43) 35.2 (25) 2.8 (2) 1.4 (1)
b. Check the radiation dose to the Imaging Plate 31.8 (22) 21.7 (15) 18.8 (13) 18.8 (13) 8.7 (6)
c. Check the radiation dose to the patient 36.6 (26) 23.9 (17) 16.9 (12) 18.3 (13) 4.2 (3)
d. Check the EIs to ensure that the appropriate exposure technique (mAs) was used 78.9 (56) 16.9 (12) 2.8 (2) 1.4 (1)
e. Use the EIs as an integral part of your Quality Control program 16.9 (12) 23.9 (17) 18.3 (13) 5.6 (4) 35.2 (25)
f. Use the EIs in dose audits done in your department 7.1 (5) 7.1 (5) 12.9 (9) 18.6 (13) 54.3 (38)
g. Compare the department‘s EIs with the vendor‘s EIs 11.3 (8) 8.4 (6) 8.4 (6) 26.8 (19) 45.0 (32)
h. Use the EI to calibrate the CR Imaging System 7.2 (5) 5.8 (4) 11.6 (8) 18.8 (13) 56.5 (39)
i. Use the EI s in dose-image quality optimization studies done in your department 11.3 (8) 8.4 (6) 5.6 (4) 25.3 (18) 49.3