From: Clinical consequences of submicroscopic malaria parasitaemia in Uganda
No parasitaemia | Submicroscopic parasitaemia | Microscopic parasitaemia | |
---|---|---|---|
Association between parasitaemia and non-febrile clinical illnessa | |||
Age 0.5–< 2 | |||
Risk | 74/293 (25.3%) | 27/120 (22.5%) | 31/71 (43.7%) |
RRb (95% CI) | Reference group | 0.90 (0.60–1.36) | 1.73 (1.28–2.35) |
p value | – | 0.60 | < 0.01 |
Age 2–< 5 | |||
Risk | 181/1158 (15.6%) | 96/508 (18.9%) | 87/393 (22.1%) |
RRb (95% CI) | Reference group | 1.16 (0.92–1.46) | 1.39 (1.09–1.77) |
p value | – | 0.22 | 0.01 |
Age 5–10 | |||
Risk | 185/2153 (8.6%) | 152/1267 (12.0%) | 191/1379 (13.9%) |
RRb (95% CI) | Reference group | 1.44 (1.17–1.78) | 1.71 (1.37–2.13) |
p value | – | < 0.01 | < 0.01 |
Age 0.5–10 | |||
Risk | 440/3604 (12.2%) | 275/1895 (14.5%) | 309/1843 (16.8%) |
RRb (95% CI) | Reference group | 1.26 (1.09–1.47) | 1.52 (1.30–1.78) |
p value | – | < 0.01 | < 0.01 |
Age ≥ 18 | |||
Risk | 119/948 (12.6%) | 94/679 (13.8%) | 12/106 (11.3%) |
RRb (95% CI) | Reference group | 1.10 (0.82–1.48) | 0.96 (0.52–1.76) |
p value | – | 0.52 | 0.89 |
No parasitaemia | Submicroscopic parasitaemia | |
---|---|---|
Association between parasitaemia and non-febrile clinical illness, excluding those with recent malariac | ||
Age 0.5–< 2 | ||
Risk | 72/284 (25.4%) | 22/81 (27.2%) |
RRb (95% CI) | Reference group | 1.08 (0.70–1.66) |
p value | – | 0.74 |
Age 2–< 5 | ||
Risk | 172/1100 (15.6%) | 72/378 (19.1%) |
RRb (95% CI) | Reference group | 1.18 (0.90–1.53) |
p value | – | 0.23 |
Age 5–10 | ||
Risk | 175/2034 (8.6%) | 144/1161 (12.4%) |
RRb (95% CI) | Reference group | 1.45 (1.16–1.80) |
p value | – | < 0.01 |
Age 0.5–10 | ||
Risk | 419/3418 (12.3%) | 238/1620 (14.7%) |
RRb (95% CI) | Reference group | 1.25 (1.07–1.46) |
p value | – | < 0.01 |
Age ≥ 18 | ||
Risk | 117/930 (12.6%) | 93/672 (13.8%) |
RRc (95% CI) | Reference group | 1.10 (0.82–1.48) |
p value | – | 0.53 |