Table 2.
Malaria parasite prevalence (by microscopy and PCR) by blood samples and individuals.
| Characteristics | Gamitanacocha | Libertad | Primero de Enero | Urco Miraño | Total | |||||
|---|---|---|---|---|---|---|---|---|---|---|
| Samp. n = 265 (%) | Ind.^ n = 92 (%) | Samp. n = 986 (%) | Ind.^ n = 298 (%) | Samp. n = 330 (%) | Ind.^ n = 99 (%) | Ind.^ n = 1204 (%) | Samp. n = 331 (%) | Ind.^ n = 2785 (%) | Samp. n = 820 (%) | |
| Plasmodium spp. parasitaemia by qPCR | ||||||||||
| Positive | 48 (18.1) | 34 (37.0) | 314 (31.8) | 183 (61.4) | 67 (20.3) | 44 (44.4) | 282 (23.4) | 190 (57.4) | 711 (25.5) | 451 (55.0) |
| Negative | 217 (81.9) | 58 (63.0) | 672 (68.2) | 115 (38.6) | 263 (79.7) | 55 (55.6) | 922 (76.6) | 141 (42.6) | 2074 (74.5) | 369 (45.0) |
| P. vivax parasitaemia by qPCR | ||||||||||
| Positive | 39 (14.7) | 27 (29.4) | 236 (23.9) | 151 (50.7) | 59 (17.9) | 38 (38.4) | 255 (21.2) | 170 (51.4) | 589 (21.1) | 386 (47.1) |
| Negative | 226 (85.3) | 65 (70.6) | 750 (76.1) | 147 (49.3) | 271 (82.1) | 61 (61.6) | 949 (78.8) | 161 (48.6) | 2196 (78.9) | 434 (52.9) |
| P. falciparum parasitaemia by qPCR | ||||||||||
| Positive | 9 (3.4) | 8 (8.7) | 78 (7.9) | 43 (14.4) | 8 (2.4) | 7 (7.1) | 27 (2.2) | 27 (8.2) | 122 (4.4) | 85 (10.4) |
| Negative | 256 (96.6) | 84 (91.3) | 908 (92.1) | 255 (85.6) | 322 (97.6) | 92 (92.9) | 1177 (97.76) | 304 (91.8) | 2663 (95.6) | 735 (89.6) |
| LM result † | ||||||||||
| P. falciparum | 0 (0.0) | 0 (0.0) | 6 (0..6) | 6 (2.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 6 (0.2) | 6 (0.7) |
| P. vivax | 1 (0.4) | 1 (1.1) | 24 (2.4) | 24 (8.1) | 13 (4.0) | 11 (11.1) | 51 (4.2) | 50 (15.1) | 89 (3.2) | 86 (10.5) |
| Negative | 263 (99.6) | 91 (98.9) | 949 (96.9) | 266 (89.9) | 311 (96.0) | 88 (88.9) | 1150 (95.8) | 281 (84.9) | 2673 (96.6) | 726 (88.8) |
Samp. = Samples; Ind. = Individuals; LM = Light microscopy; ^At least in one positive in the four surveys; †Variables with missing values.