Table 1.
Characteristics of enrolled individuals*
| N | Abedi | Akere | Apac town | Atopi | |
|---|---|---|---|---|---|
| 251 | 217 | 213 | 202 | ||
| Age, median (IQR) | 15 (5.3–25) | 13 (4.3–29) | 19 (5.5–32) | 13 (5.6–30) | |
| Fever, % (n/N) | < 5 years | 30.0 (18/60) | 27.1 (16/59) | 46.9 (23/49) | 14.3 (6/42) |
| 5–14 years | 12.9 (8/62) | 17.7 (9/51) | 36.6 (15/41) | 9.1 (6/66) | |
| ≥ 15 years | 6.5 (8/124) | 3.9 (4/102) | 9.5 (11/116) | 3.4 (3/88) | |
| Parasite prevalence by RDT, % (n/N) | < 5 years | 56.7 (34/60) | 73.3 (44/60) | 71.4 (35/49) | 81.0 (34/42) |
| 5–14 years | 59.4 (38/64) | 44.2 (23/52) | 51.2 (21/41) | 64.2 (43/67) | |
| > 15 years | 16.8 (21/125) | 17.3 (18/104) | 14.1 (17/121) | 15.4 (14/91) | |
| P. falciparum parasite prevalence by microscopy, % (n/N) | < 5 years | 54.4 (31/57) | 50.9 (29/57) | 59.6 (28/47) | 63.4 (26/41) |
| 5–14 years | 59.7 (37/62) | 42.0 (21/50) | 51.3 (20/39) | 65.7 (44/67) | |
| ≥ 15 years | 20.2 (25/124) | 22.0 (22/100) | 11.3 (12/106) | 23.3 (21/90) | |
| P. falciparum parasite density, GM (IQR) | < 5 years | 6,063 (480–77,880) | 2,844 (400–32,640) | 8,102 (1,380–43,720) | 2,874 (520–11,120) |
| 5–15 years | 753 (120–3,320) | 1,235 (440–2,120) | 1,404 (460–3,740) | 918 (310–2,740) | |
| ≥ 15 years | 215 (80–520) | 453 (80–1,520) | 232 (60–540) | 456 (160–800) | |
| P. falciparum parasite prevalence by PCR, % (n/N) | < 5 years | 66.7 (38/57) | ND | ND | ND |
| 5–14 years | 69.4 (43/62) | ND | ND | ND | |
| ≥ 15 years | 42.62 (52/122) | ND | ND | ND |
*
IQR = interquartile range; RDT = rapid diagnostic test; GM = geometric mean; ND = not done; PCR = polymerase chain reaction.