Table 2 Malariometric indices by haemoglobin genotype
Infection characteristic | AA (N = 331) | AC (N = 68) | AS (N = 37) | CC (N = 10) | SC (N = 5) | SS (N = 1) | All (N = 452) |
|---|---|---|---|---|---|---|---|
Symptomatic malaria (fever and >0 parasites/μl), N (%) | 39 (11.8%) | 7 (10.3%) | 4 (10.8%) | 1 (10.0%) | 0 (0.0%) | 0 (0.0%) | 51 (11.3%) |
P. falciparum infection (>0 parasites/μl), N (%) | 205 (61.9%) | 39 (57.4%) | 20 (54.1%) | 2 (20.0%)* | 4 (80.0%) | 0 (0.0%) | 270 (59.7%) |
Symptomatic malaria (fever and >2500 parasites/μl) | 22 (6.6%) | 3 (4.4%) | 0 (0.0%) | 0 (0.0%) | 0 (0.0%) | 0 (0.0%) | 25 (5.5%) |
P. falciparum infection (>2500 parasites/μl), N (%) | 82 (24.8%) | 15 (22.1%) | 6 (16.2%) | 1 (10.0%) | 1 (20.0%) | 0 (0.0%) | 105 (23.2%) |
Gametocyte carriage, N (%) | 101 (30.5%) | 21 (30.9%) | 10 (27.0%) | 3 (30.0%) | 3 (60.0%) | 0 (0.0%) | 138 (30.5%) |
Splenomegaly, N (%) | 67 (20.2%) | 9 (13.2%) | 4 (11.1%) | 1 (10.0%) | 0 (0.0%) | 0 (0.0%) | 81 (18.0%) |
Haemoglobin (g/dl), mean (SD) | 9.7 (1.5) | 9.5 (1.6) | 9.5 (1.5) | 9.4 (1.5) | 11.1 (0.8) | 10.1 | 9.6 (1.5) |
P. falciparum density (per/μl), GM (95% CI) | 1546 (1259,1898) | 1904 (1159, 3128) | 1305 (527, 3231) | 3088 (51, 185428) | 1418 (104,19382) | --- | 1579 (1315, 1896) |
Gametocyte density (per/μl), GM (95% CI) | 51 (41, 64) | 48 (30, 75) | 95 (54, 166) | 81 (2, 3110) | 22 (0, 62183) | --- | 52 (43, 64) |