Characteristics for the total cohort and the subgroup having aortic stenosis
| T4 | T5 | T6 | |
|---|---|---|---|
| Total population | 3273 | 1950 | 1456 |
| Mean age | 60.0 | 66.1 | 70.3 |
| Male | 1664 | 959 | 722 |
| Female | 1609 | 991 | 734 |
| AS population | 30 | 59 | 52 |
| Mean age | 68.4 | 74.0 | 78.2 |
| Male | 14 | 32 | 31 |
| Female | 16 | 27 | 21 |
| AS stage | |||
| Mild | 15 | 34 | 36 |
| Moderate | 7 | 12 | 11 |
| Severe | 4 | 6 | 4 |
| AVR | 4 | 7 | 10 |
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.