Annualised rates of progression of borderline and definite rheumatic heart disease (RHD)
| Study (year) | Progression of borderline to definite RHD (% per year) | Progression of definite RHD (% per year)* |
|---|---|---|
| Paar et al (2010)1† | 21.1 | – |
| Saxena et al (2011)3 | – | 3.2 |
| Bhaya et al (2011)4 | – | 1.3 |
| Beaton et al (2014)5 | 4.7 | – |
| Mirabel et al (2015)6 | – | 4.3 |
| Rémond et al (2015)7 | 7.2 | – |
| Zühlke et al (2016)8 9 | 4.6 | – |
| Engelman et al (2016) | 3.6 | 3.0 |
*Rate of progression of regurgitation by one grade of severity except for the study by Engelman, which reports progression to valve replacement.
†This study did not use the World Heart Federation (WHF) criteria; progression is from possible or probable to definite RHD.