Table 3.
Parasite prevalence by RDT, microscopy and PCR
| OB (122) | TB (132) | OK (94) | AK (117) | AW (134) | AM (76) | YB (54) | Total (729) | |
|---|---|---|---|---|---|---|---|---|
| PCR Positive (%) | 87 (71.3) | 74 (56.1) | 62 (66.0) | 81 (69.2) | 91 (67.9) | 46 (60.5) | 40 (74.1) | 481 (66.0) |
| < 5 yrs. (%) | 8/12 (66.7) | 4/14 (28.6) | 5/7 (71.4) | 12/17 (70.6) | 5/11 (45.5) | 5/11 (45.5) | 4/7 (57.1) | 43/79 (54.4) |
| 5–9 yrs. (%) | 19/25 (76) | 17/20 (85) | 12/17 (70.6) | 14/16 (87.5) | 22/27 (81.5) | 8/9 (88.9) | 8/9 (88.9) | 100/123 (81.3) |
| 10–14 yrs. (%) | 19/21 (90.5) | 23/24 (95.8) | 15/19 (78.9) | 12/14 (85.7) | 21/ 23 (91.3) | 2/3 (66.7) | 7/8 (87.5) | 99/112 (88.4) |
| 15–19 yrs. (%) | 7/9 (77.8) | 3/9 (33.3) | 6/8 (75) | 5/5 (100) | 10/12 (83.3) | 0/0 | 3/3 (100) | 34/46 (73.9) |
| ≥20 yrs. (%) | 34/55 (61.8) | 27/65 (41.5) | 24/43 (55.8) | 38/65 (58.5) | 33/61 (54.1) | 31/53 (58.3) | 18/27(66.7) | 205/369 (55.6) |
| Microscopy | ||||||||
| Positive (%) | 42 (34.4) | 48 (36.4) | 38 (40.4) | 37 (31.6) | 38 (28.4) | 19 (25.0) | 11 (20.4) | 233 (32.0) |
| Mono Pf | 36 (29.5) | 33 (25.0) | 33 (35.1) | 30 (25.6) | 35 (26.1) | 19 (25.0) | 6 (11.1) | 192 (26.3) |
| Mono Pm | 6 (4.9) | 15 (11.4) | 6 (6.4) | 8 (6.8) | 3 (2.2) | 0 (0) | 5 (9.3) | 43 (5.9) |
| Mono Po | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 0 (0) |
| Multispecies (%) | 0 (0) | 0 (0) | 1 (1.1) | 1 (0.9) | 0 (0) | 0 (0) | 0 (0) | 2 (0.3) |
| Febrile (≥37.5 °C) | 2 (1.6) | 4 (3.0) | 2 (2.1) | 10 (8.5) | 2 (1.5) | 5 (6.6) | 0 (0) | 25 (3.4) |
| PD (p/μl) Mean (SEM) | 1685 (622.3) | 2251 (1425) | 3724 (2519) | 3067 (979.7) | 2575 (1043) | 6322 (5955) | 11,723 (7631) | 3349 (823.6) |
| PD (p/μl) Min - max | 14–17,359 | 16–68,000 | 15–95,556 | 16–23,360 | 15–31,849 | 4–113,462 | 16–68,000 | 4–113,462 |
| RDT (%) | 50 (41.0) | 46 (34.8) | 36 (38.3) | 32 (27.6) | 44 (32.8) | 18 (23.7) | 15 (28.9) | 241 (33.1) |
OB Obosono, TB Towoboase, OK Okomfo, AK Akwensu, AW Awensu, AM Amokope, YB Yaw Boadi, RDT PfHRP2 based malaria rapid diagnostic test positive samples, PD parasite density per μl blood, min minimum, max maximum, Mono single species infection, Febrile, axillary temperature (≥37.5 °C). PCR positive and microscopy positive samples include all Plasmodium species