Table 3.
Amalgamated study data cross referencing mitral regurgitation (MR) prevalence, interscallop separation (ISS) and World Heart Federation (WHF) screen-positive disease
| Low-risk cohort (n=359) |
High-risk cohort (n=400) |
Total (n/%)* (n=759) |
|
| All ISS cases(n/%)† | 269 (74.9) | 278 (69.5) | 547 (72) |
| ISS-related MR (n/%)† | 55 (15.3) | 49 (12.3) | 104 (13.7) |
| ISS-related ‘pathological’ MR (n/%)† | 11(3) | 11 (2.8) | 22 (2.9) |
| All cases with any MR (n/%)† | 103 (28.7) | 100(25) | 203 (26.7) |
| MR screening ≥1.5 cm (n/%)† | 19 (5.3) | 23 (5.8) | 42 (5.5) |
| WHF pathological MR (n/%)† | 14 (3.9) | 13 (0.25) | 27 (3.6) |
| WHF ‘screen-positive’ cases (n/%)† | 14 (3.9) | 13 (3.3) | 27 (3.6) |
| WHF ‘borderline RHD’ (n/%)† | 14 (3.9) | 11 (2.8) | 25 (3.3) |
| WHF ‘definite RHD’ (n/%)† | 0 (0) | 2 (0.5) | 2 (0.3) |
*Calculated as a percentage of the total enrolled participants.
†Calculated as a percentage of the respective cohort.
MR, mitral regurgitation; RHD, rheumatic heart disease.