|Annular Dimension||Valve Size|
|23 mm||26 mm||29 mm||31 mm|
|Mean diameter range, mm||18–20||20–23||23–27||26–29|
|Perimeter range, mm||56.5–62.8||62.8–72.3||72.3–84.8||81.7–91.1|
|Area range, mm2||254.5–314.2||314.2–415.5||415.5–572.6||530.9–660.5|
For the self-expanding valve, the mean annular diameter and perimeter oversizing ranges from 7% to 30%. The annular area oversizing ranges from 7% to 69% according to the manufacturer (see Achenbach et al. ).