Table 4 Prevalence of Opisthorchis viverrini and Schistosoma mekongi infections in animals on Done Khon and Done Som islands
Infections | No. exam | Overall, n (%) | Done Khon, n (%) | Done Som, n (%) | x 2 | P-valuea | ||
|---|---|---|---|---|---|---|---|---|
No. exam | No. positive | No. exam | No. positive | |||||
Opisthorchis viverrini | ||||||||
 Dog | 68 | 17 (25.0) | 44 | 10 (22.7) | 24 | 7 (29.2) | 0.34 | 0.558 |
 Cat | 64 | 34 (53.1) | 25 | 15 (60.0) | 39 | 19 (48.7) | 0.78 | 0.378 |
 Pig | 105 | 1 (0.9) | 43 | 0 | 62 | 1 (1.6) | 0.70 | 0.403 |
 Water buffalo | 94 | 0 | 32 | 0 | 62 | 0 | na | na |
Intermediate snails | ||||||||
  Bithynia spp. | 3102 | 9 (0.3) | 1719 | 2 (0.1) | 1383 | 7 (0.5) | 4.03 | 0.045 |
Minute intestinal fluke (MIF) | ||||||||
 Dog | 68 | 3 (4.4) | 44 | 3 (6.8) | 24 | 0 | 1.71 | 0.191 |
 Cat | 64 | 18 (28.1) | 25 | 5 (20.0) | 39 | 13 (33.3) | 1.33 | 0.247 |
Large trematode eggs | ||||||||
 Water buffaloes | 94 | 18 (19.1) | 32 | 9 (28.1) | 62 | 9 (14.5) | 2.52 | 0.112 |
 Pig | 105 | 4 (3.8) | 43 | 2 (4.6) | 62 | 2 (3.2) | 0.14 | 0.708 |
Schistosoma mekongi | ||||||||
 Dog | 68 | 10 (14.7) | 44 | 7 (16.0) | 24 | 3 (13.0) | 0.14 | 0.704 |
 Cat | 64 | 0 | 25 | 0 | 39 | 0 | na |  |
 Pig | 105 | 0 | 43 | 0 | 62 | 0 | na |  |
 Water buffalo | 94 | 0 | 32 | 0 | 62 | 0 | na |  |
Intermediate snails | ||||||||
  Neotricula aperta | 29,583 | 4 (0.01) | 16,342 | 4 (0.02) | 13,241 | 0 | 3.24 | 0.072 |