Table 2.
Malaria indicators and morbidity by study area
| Sampovloun | Koh Kong | Preah Vihear | ||||
| No | (%) | No | (%) | No | (%) | |
| Microscopy diagnosis | ||||||
| No of examined slides | 4074 | 2624 | 4954 | |||
| P. spp. positive | 123 | (3.0) | 184 | (7.0) | 610 | (12.3) |
| single infections | 115 | (2.8) | 167 | (4.1) | 573 | (11.6) |
| P falciparum | 59 | (1.4) | 120 | (2.9) | 455 | (9.2) |
| P vivax | 56 | (1.4) | 46 | (1.1) | 115 | (2.3) |
| P malariae | 0 | (0.0) | 1 | (0.02) | 3 | (0.1) |
| mixed infections | 8 | (0.2) | 17 | (0.4) | 37 | (0.7) |
| P falciparum/vivax | 8 | (0.2) | 14 | (0.3) | 36 | (0.7) |
| P falciparum/malariae | 0 | (0.0) | 3 | (0.1) | 1 | (0.02) |
| Gametocyte carriage | ||||||
| P. falciparum | 6 | (9.0) | 20 | (14.6) | 53 | (10.8) |
| P. vivax | 7 | (10.9) | 2 | (3.3) | 0 | (0.0) |
| Spleen rates* | ||||||
| No of surveyed individuals | 3451 | 2623 | 4954 | |||
| with splenomegaly | 46 | (1.3) | 23 | (0.9) | 60 | (1.2) |
| No of children 2–9 years old | 839 | 746 | 1620 | |||
| with splenomegaly | 10 | (1.2) | 11 | (1.5) | 35 | (2.2) |
| No of P. spp. positive individuals | 98 | 184 | 610 | |||
| with splenomegaly | 9 | (9.2) | 11 | (6.0) | 36 | (5.9) |
| Fever rates* | ||||||
| No of surveyed individuals | 3842 | 2623 | 4954 | |||
| No of individuals with fever | 210 | 415 | 603 | |||
| malaria attributable fever cases† | 35 | (16.7) | 42 | (10.1) | 199 | (33.0) |
| No of P. spp. positive individuals | 117 | 184 | 610 | |||
| symptomatic malaria cases† | 35 | (29.9) | 42 | (22.8) | 199 | (32.6) |
* For some individuals, fever and splenomegaly data were not available.
† P. spp. positive individuals with fever
Results of microscopy diagnosis and clinical examination are shown for each surveyed area. Percentages of Plasmodium and subspecies infections are with respect to total numbers of examined slides, while rates of splenomegaly and fever are with respect to total numbers of surveyed individuals.