Table 1.

Glossary of symbols.

Symbol	Definition
h	Conversion coefficient from CTDIvol to organ dose
⟨h⟩inside	Average of h across organs fully inside the scan coverage1
hss	Conversion coefficient from SSDE to organ dose
⟨hss⟩inside	Average of hss across organs fully inside the scan coverage1
k	Conversion coefficient from DLP to effective dose
q	Conversion coefficient from DLP to risk index

¹Also referred to as organs fully encompassed by the primary radiation beam.