Table 1

Characteristics for the total cohort and the subgroup having aortic stenosis

Total population327319501456
 Mean age60.066.170.3
AS population305952
 Mean age68.474.078.2
AS stage
  • Data are displayed in numbers/age T4, Tromsø Study 4 (1994); T5, Tromsø Study 5 (2001); T6, Tromsø Study 6 (2008); AS, aortic stenosis; AVR, aortic valve replacement.

  • Mild AS =15–29 mm Hg (mean gradient); moderate AS= 30–49 mm Hg; severe AS = ≥50 mm Hg.