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) |
Low transmission season.
*P for difference vs AA < 0.05.
**P for difference vs AA < 0.01.