Table 2.
Socio-demographic and clinical characteristics of P. falciparum infected participants
| Characteristics | Subgroup | N | Overall [% (n)] |
Transmission setting [% (n)] | P value | |
|---|---|---|---|---|---|---|
| Low and seasonal | Intense and perennial | |||||
| Age group (years) | < 5 | 1,354 | 13.6 (184) | 7.4 (13) | 14.4 (171) | < 0.001 |
| 5–9 | 14.4 (195) | 7.9 (13) | 15.3 (182) | |||
| 10–14 | 11.6 (157) | 4.8 (8) | 12.5 (149) | |||
| ≥ 15 | 60.4 (818) | 79.4 (131) | 57.8 (687) | |||
| Gender | Male | 1,376 | 35.8 (493) | 32.5 (54) | 36.3 (439) | 0.343 |
| Female | 64.2 (883) | 67.5 (112) | 63.7 (771) | |||
| Ethnic group | Bantu | 1,273 | 27.2 (346) | 1.1 (1) | 29.2 (345) | < 0.001 |
| Semi-Bantu | 63.9 (813) | 6.5 (6) | 68.4 (807) | |||
| Sudanese | 7.8 (99) | 92.5 (86) | 1.1 (13) | |||
| Non-Cameroonian | 1.2 (15) | 0 (0) | 1.3 (15) | |||
| Clinical phenotype | Asymptomatic | 1,285 | 32.2 (414) | 3.2 (5) | 36.3 (409) | < 0.001 |
| Symptomatic | 67.8 (871) | 96.8 (153) | 63.7 (718) | |||
| Infection status | Microscopic | 1,383 | 98.4 (1,361) | 92.8 (154) | 99.2 (1,207) | < 0.001 |
| Submicroscopic | 1.6 (22) | 7.2 (12) | 0.8 (10) | |||
| Non falciparum species | 1,383 | 11.7 (162) | 12.7 (21) | 11.6 (141) | 0.689 | |
| Anaemia | 1,088 | 46.6 (507) | 34.5 (20) | 47.3 (487) | 0.057 | |
| Bednet usage | 1,283 | 46.5 (596) | 75 (69) | 44.2 (527) | < 0.001 | |
| Hrp2-based RDT positives | 1,381 | 84.9 (1,173) | 69.9 (116) | 87 (1,057) | < 0.001 | |
| RDT False negatives | 15.1 (208) | 30.1 (50) | 13.0 (158) | |||
| GMPD (parasites/μl of blood) | 1,335 | 9,566 | 4,991 | 10,406 | 0.013 | |
GMPD = Geometric Mean Parasite Density; Masl = Metres above Sea Level