Table 2.
Host and parasite characteristics of study cohort during inclusion and follow-up.
Variable | Asymptomatic |
Symptomatic |
Total malaria positive | ||
---|---|---|---|---|---|
P. falciparum | P. vivax | P. falciparum | P. vivax | ||
Baseline survey (n = 490 positives/6582 slides; SPR = 7·4%) | |||||
Number (%) | 331 (67·6) | 67 (13·7) | 87 (17·8) | 04 (0·8) | 490# |
Age, Mean (years; range) |
6·6 (1–12) | 6·5 (1–12) | 6·6 (1–12) | 6·7 (4–11) | 6·6 (1–12) |
Males, n (%) | 159 (48·0) | 36 (53·7) | 41 (47·1) | 2 (50) | 238 (48·6) |
Asexual parasite density, geometric mean (per μl, range) |
717 | 415 | 1680 | 247 | |
(40–46760) | (40–36880) | (40–508880) | (80–760) | ||
Sexual parasite density, geometric mean (per μl, range) |
99 | 303 | 157 | 613 | |
(40–1720) | (40–49040) | (40–1440) | (40–31880) | ||
Follow up survey (n = 82 positives/5862 slides; SPR = 1·4%) | |||||
Number (%) | 46 (56·1) | 19 (23·2) | 14 (17·1) | 03 (3·7) | 82 (100) |
Age, Mean (years; range) |
7 | 6 | 7 | 3 | 7 |
(1–12) | (1–12) | (3–12) | (2–4) | (1–12) | |
Males, n (%) | 21 (45·7) | 12 (63·2) | 05 (26·3) | 01 (33·3) | 39 (47·5) |
Asexual parasite density, geometric mean (μl, range) |
892 | 164 | 8402 | 1560 | |
(40–340400) | (40–1480) | (80–628440) | (1560) | ||
Sexual parasite density, geometric mean (μl, range) |
86 | 320 | Nil | 1037 | |
(40–440) | (40–8200) | (360–5160) |
One case of P. Malariae was also identified and is included in the total malaria cases.