Table 2 Prevalence of P. vivax and P. falciparum and its association with previous infection, exposure, symptoms and treatment
Characteristics | P. vivax PRBCs PCR | P. falciparum PRBCs PCR | Total n = 450 (%) | ||||
|---|---|---|---|---|---|---|---|
Positive n = 113 (%) | Negative n = 337 (%) | p value | Positive n = 22 (%) | Negative n = 428 (%) | p value | ||
Positive PCR to P. vivax in previous month (Dec 2012) | 0.017** | 0.764 | |||||
Yes | 26 (23.0) | 45 (13.4) | 4 (18.2) | 67 (15.6) | 71 (15.8) | ||
No | 87 (77.0) | 292 (86.6) | 18 (81.8) | 361 (84.4) | 379 (84.2) | ||
Positive PCR to P. falciparum in previous month (Dec 2012) | 1.000 | 0.081* | |||||
Yes | 2 (1.8) | 8 (2.4) | 2 (9.1) | 8 (1.9) | 10 (2.2) | ||
No | 111 (98.2) | 329 (97.6) | 20 (90.9) | 420 (98.1) | 440 (97.8) | ||
Seropositivity to P. vivax (Jan 2013) | 0.004** | 0.221 | |||||
Yes | 44 (38.9) | 82 (24.3) | 9 (40.9) | 117 (27.3) | 126 (28.0) | ||
No | 69 (61.1) | 255 (75.7) | 13 (59.1) | 311 (72.7) | 324 (72.0) | ||
Seropositivity to P. falciparum (Jan 2013) | 0.022** | 0.340 | |||||
Yes | 41 (36.3) | 84 (24.9) | 8 (36.4) | 117 (27.3) | 125 (27.8) | ||
No | 72 (63.7) | 253 (75.1) | 14 (63.6) | 311 (72.7) | 325 (72.2) | ||
Positive microscopy to P. vivax (Jan 2013) | < 0.001** | 1.000 | |||||
Yes | 14 (12.4) | 2 (0.6) | 0 (0.00) | 16 (3.7) | 16 (3.6) | ||
No | 99 (87.6) | 335 (99.4) | 22 (100.0) | 412 (96.3) | 434 (96.4) | ||
Positive microscopy to P. falciparum (Jan 2013) | 1.000 | 0.049** | |||||
Yes | 0 (0.0) | 1 (0.3) | 1 (4.5) | 0 (0.00) | 1 (0.2) | ||
No | 113 (100.0) | 336 (99.7) | 21 (95.5) | 428 (100.0) | 449 (99.8) | ||
Fever a | 0.247 | 0.185* | |||||
Yes | 6 (5.4) | 10 (3.0) | 2 (9.1) | 14 (3.3) | 16 (3.6) | ||
No | 105 (94.6) | 322 (97.0) | 20 (90.9) | 407 (96.7) | 427 (96.4) | ||
Malaria treatment previous month | 1.000 | 0.015** | |||||
Yes | 5 (4.4) | 16 (4.7) | 4 (18.2) | 17 (4.0) | 21 (4.7) | ||
No | 108 (95.6) | 321 (95.3) | 18 (81.8) | 411 (96.0) | 429 (95.3) | ||