| First author | Year reported | Location | Sample size | Crude prevalence per 100 000 | Age-adjusted prevalence per 100 000 |
| Urban | |||||
| Bansal BC37 | 1973 | Rohtak | 79 046 | 44 | – |
| Bharucha NE46 | 1988 | Mumbai Parsi | 14 010 | 842 | 424 |
| Dalal PM38 | 1997 | Mumbai | 145 456 | 220 | – |
| Banerjee TK39 | 2001 | Kolkata | 50 291 | 147 | 334 |
| Gourie-Devi M40 | 2004 | Bangalore | 51 502 | 136 | – |
| Rural | |||||
| Abraham J41 | 1970 | Tamilnadu | 258 576 | 57 | 84 |
| Gourie-Devi M42 | 1987 | Karnataka | 57 660 | 52 | – |
| Razdan S43 | 1989 | Kashmir | 63 645 | 143 | 244 |
| Das SK44 | 1996 | West Bengal | 37 286 | 126 | – |
| Saha SP45 | 2003 | West Bengal | 20 842 | 147 | – |
| Gourie-Devi M40 | 2004 | Kanataka | 51 055 | 165 | 262 |