Table 1.
Prevalences and intensities of Ascaris lumbricoides, Trichuris trichiura, hook worm, Schistosoma mekongi, and miscellaneous trematode infections in LAO PDR in year 2012
| Area parts | Provinces | % Prevalence (% intensity; light: moderate: heavy)* | ||||
|---|---|---|---|---|---|---|
| As | Tt | Hw | Sm | Mt | ||
| North | Bokeo | 8.4 (80: 20: 0) | 3.0 (100: 0: 0) | 15.1 (100: 0: 0) | NF | NF |
| Houaphan | 32.3 (98.8: 1.2: 0) | 37.3 (100: 0: 0) | 16.4 (94.5: 5.5: 0) | NF | 0.1 (100: 0: 0) | |
| Luang Namtha | 16.6 (87.7: 11: 1.3) | 8.6 (97.4: 2.6: 0) | 6.6 (93.1: 6.9: 0) | NF | 0.5 (100: 0: 0) | |
| Luang Prabang | 6.4 (ND) | 22.3 (ND) | 43.3 (ND) | NF | 1.9 (ND) | |
| Oudomxay | 2.8 (100: 0: 0) | 7.8 (100: 0: 0) | 65.3 (100: 0: 0) | NF | NF | |
| Phongsaly | 27.2 (92: 8: 0) | 27.8 (100: 0: 0) | 16.6 (100: 0: 0) | NF | NF | |
| Central | Bolikhamxay | 9.5 (100: 0: 0) | 0.5 (100: 0: 0) | 20.8 (100: 0: 0) | NF | 22.1 (87.4: 11.1: 1.5) |
| Xieng Khouang | 16.9 (100: 0: 0) | 2.7 (100: 0: 0) | 39.5 (96.9: 2: 1.1) | NF | 0.7 (100: 0: 0) | |
| Vientiane | 0.8 (ND) | 0.8 (ND) | 13.2 (ND) | NF | 10.3 (ND) | |
| South | Attapeu | 0.3 (100: 0: 0) | 1.1 (85.7: 14.3: 0) | 15.8 (100: 0: 0) | NF | 29.1 (98.9: 1.1: 0) |
| Champasak | 0.8 (66.7: 22.2: 11.1) | 0.7 (100: 0: 0) | 15.6 (98.2: 1.8: 0) | 0.8 (55.6: 33.3:11.1) | 43.7 (91.5: 8.3: 0.2) | |
| Saravan | 5.4 (100: 0: 0) | NF | 21.3 (99.2: 0: 0.8) | NF | 57.1 (91.3: 8.7: 0) | |
| Sekong | 15.4 (100: 0: 0) | 4.6 (100: 0: 0) | 12.8 (100: 0: 0) | NF | 2.4 (100: 0: 0) | |
Intensity of egg per gram of feces (EPG) was divided to light (1–4,999), moderate (5,000–49,999), heavy infections (> 50,000) for As (Ascaris lumbricoides), to light (1–999), moderate (1,000–9,999), heavy infections (> 10,000) for Tt (Trichuris trichiura), to light (1–1,999), moderate (2,000–3,999), heavy infections (> 4,000) for Hw (hookworm), to light (1–99), moderate (100–399), heavy infections (> 400) for Sm (Schistosoma mekongi) and to light (1–999), moderate (1,000–9,999), heavy infections (10,000–99,000) for Mt (miscellaneous trematode eggs including Opisthorchis viverrini).
ND = not determined; NF = not found.