Table 3.
School-based surveys on prevalence of rheumatic heart disease based on clinical screening only.
| Author | Year of survey | Area | Population | Age group | Prevalence /1000 |
|---|---|---|---|---|---|
| ICMR25 | 1972–1975 | Agar, Alleppy, Delhi Hyderabad | 133,000 | – | 6–11 |
| Koshi et al26 | 1975–1978 | Vellore | 3890 | 4–16 | 4.4 |
| ICMR27 | 1982–1990 | Delhi | 13,509 | 5–15 | 2.9 |
| ICMR28 | 1984–1987 | Delhi, Varanasi, Vellore | 52,793 | – | 1.0–5.7 |
| Patel et al29 | 1986 | Anand | 11,346 | 8–18 | 2.03 |
| Avasthi30 | 1987 | Ludhiana | 6005 | 6–16 | 1.3 |
| Padamavati31 | 1984–1994 | Delhi | 40,000 | 5–10 | 3.9 |
| Kumar et al32 | 1992 | Churu | 10,168 | 5–15 | 3.34 |