Study setting | Patient characteristics | RHD prevalence definite | RHD prevalence borderline | Comments |
Studies using WHF 2012 consensus diagnostic criteria | ||||
South Auckland, New Zealand, urban Polynesian | 465 individuals Age range 16–40 years Median age 28.0 years (IQR 20.7–34.9 years) | 22 per 1000 (9, 36) 10 individuals with RHD 7/10 had moderate or severe disease | 34 per 1000 (19, 52) | |
Ethiopia, rural10 | 987 individuals Age range 6–25 years Median age 13.2±4.7 years | 60 per 1000, 16–20 years old 11 per 1000, 21–25 years old | Detailed age breakdown of participants not stated | |
Uganda, rural12 | 983 individuals >20 years old Mean age overall 20.0±11.9 years | In 21–30 years old, 20 per 1000 In 31–40 years old, 15 per 1000 19/23 adults had mild disease | Detailed age breakdown of participants not stated | |
Australia and Timor-Leste13 | 3111 individuals ≤20 years old Median age 12 years | 3.2% definite RHD all ages | ||
Australia and Timor-Leste23 | 3329 individuals ≤20 years old Median age 12 years 730 16–20 years | 3.2% 16–20 years old | 2.2% 16–20 years old | |
Studies using other diagnostic criteria for RHD | ||||
New Caledonia, mixed rural/town7 | 834 individuals Age range 18–22 years Mean age 20.0±1.5 years 65% Pacific ethnicities (Melanesian/Polynesian) | 5.9 per 1000 (95% CI 2.6 to 12.2 per 1000) overall 9.7 per 1000 in Pacific peoples | 1.8% | 3.4% reported to have non-rheumatic disease |
Senegal, urban and suburban31 | 888 individuals 16–18 years Mean age 17.1±1 year | 10.1 per 1000 (95% CI 4.6 to 19.2 per 1000 8 of 9 cases had severe RHD | In 6–15 years prev=5.4 per 1000 | |
Nicaragua, urban/rural6 | 489 adults 20–35 years Median age 26.8 years | 22 per 1000 10 of 11 cases were female | 27 per 1000 non-rheumatic disease | |
Eritrea, urban32 | 348 pregnant women Age range 15–42 years Mean age 26.9 years Conducted in 2008 | 23 per 1000 (95% CI 7 to 39 per 1000) | 8 borderline cases | |
China, urban and suburban8 | 8080 individuals Conducted in 2001–02 | 1.8 per 1000 15 found to have RHD |
RHD, rheumatic heart disease; WHF, World Heart Federation.