Table 1. Overview of opisthorchiasis survey data in Southeast Asia.
| Cambodia | Lao PDR | Myanmar | Thailand | Vietnam | Total | |
|---|---|---|---|---|---|---|
| Relevant papers | 14 | 43 | 2 | 97 | 15 | 168 |
| Total surveys/locations | 91/73 | 156/99 | 6/6 | 770/335 | 71/64 | 1094/574 |
| Survey type (surveys/locations) | ||||||
| School | 33/31 | 4/4 | 0/0 | 13/13 | 0/0 | 50/48 |
| Community | 58/46 | 152/94 | 6/6 | 757/325 | 71/64 | 1044/535 |
| Location type (surveys/locations) | ||||||
| Point-level | 55/43 | 63/51 | 3/3 | 125/105 | 5/5 | 251/207 |
| ADM3-level | 0/0 | 0/0 | 0/0 | 53/51 | 0/0 | 53/51 |
| ADM2-level | 14/11 | 35/27 | 0/0 | 159/102 | 2/2 | 210/142 |
| ADM1-level | 22/19 | 58/18 | 3/3 | 433/77 | 64/57 | 580/174 |
| Period | 1998–2016 | 1989–2016 | 2015–2016 | 1978–2018 | 1991–2015 | 1978–2018 |
| Year of survey (surveys/locations) | ||||||
| 1978–1982 | 0/0 | 0/0 | 0/0 | 123/115 | 0/0 | 123/115 |
| 1983–1987 | 0/0 | 0/0 | 0/0 | 7/6 | 0/0 | 7/6 |
| 1988–1992 | 0/0 | 2/2 | 0/0 | 97/89 | 1/1 | 100/92 |
| 1993–1997 | 0/0 | 9/5 | 0/0 | 18/18 | 6/2 | 33/25 |
| 1998–2002 | 25/22 | 28/22 | 0/0 | 103/103 | 2/2 | 158/149 |
| 2003–2007 | 3/2 | 26/24 | 0/0 | 15/15 | 1/1 | 45/42 |
| 2008–2012 | 62/48 | 75/54 | 0/0 | 166/153 | 9/8 | 312/263 |
| 2013–2018 | 1/1 | 16/16 | 6/6 | 241/201 | 52/52 | 316/276 |
| Diagnostic methods (surveys/locations) | ||||||
| Kato–Katz | 86/70 | 128/83 | 3/3 | 212/166 | 7/7 | 436/329 |
| FECT | 2/2 | 8/7 | 3/3 | 109/99 | 0/0 | 122/111 |
| Stoll’s | 0/0 | 0/0 | 0/0 | 38/28 | 0/0 | 38/28 |
| PCR | 0/0 | 5/4 | 0/0 | 1/1 | 0/0 | 6/5 |
| Combined | 3/3 | 14/13 | 0/0 | 14/12 | 0/0 | 31/28 |
| Others | 0/0 | 1/1 | 0/0 | 6/6 | 0/0 | 7/7 |
| NS* | 0/0 | 5/5 | 0/0 | 391/111 | 64/57 | 460/173 |
| Mean prevalence | 10.56% | 39.50% | 4.93% | 14.25% | 2.65% | 16.74% |
*NS: not stated or missing.