Table 2.
Low Transmission Season | High Transmission Season | |||||
---|---|---|---|---|---|---|
Fulani ethnic group (n = 44) | Mossi ethnic group (n = 42) | p** value | Fulani ethnic group (n = 73) | Mossi ethnic group (n = 60) | p** value | |
% (95% CI)* | % (95% CI)* | % (95% CI)* | % (95% CI)* | |||
Male/Female | 0.85 | 0.94 | 0.76 | 0.78 | 0.94 | 0.61 |
Mean age yrs* | 33.9 (32.1-35.6) | 34.9 (32.1-37.7) | 0.56 | 33.0 (31.3-34.8) | 33.3 (30.7-36.1) | 0.52 |
Prevalence* | 0,02 | 12.2 (1.7-22.7) | 0.02 | 8.8 (1.9-15.7) | 27.1 (15.4-38.0) | < 0.01 |
WBC (×103) | 5.2 (4.6-5.7) | 5.7 (5.3-6.1) | 0.10 | 5.3 (4.9-5.6) | 6.1 (5.7-6.5) | 0.001 |
RBC (×106) | 4.7 (4.5-4.8) | 4.7 (4.6-4.9) | 0.65 | 4.5 (4.3-4.6) | 4.6 (4.4-4.7) | 0.30 |
Haemoglobin | 12.8 (12.1-13.5) | 13.4 (12.8-13.9) | 0.22 | 12,1 (11.5-12.7) | 13.0 (12.6-13.5) | 0.01 |
Platelets (103) | 217 (192.6-241.4) | 209 (188-232) | 0.66 | 182 (164-200) | 199 (178-221) | 0.21 |
Neutrophils (103) | 2.2 (1,8-2.5) | 2.0 (1.8-2.2) | 0.40 | 2.3 (2.1-2.6) | 2.6 (2.3-2.8) | 0.15 |
Lymphocytes (103) | 2.3 (2.0-2.5) | 2.7 (2.5-3.0) | < 0.01 | 2.2 (2.0-2.4) | 2.6 (2.4-2.8) | 0.01 |
Monocytes (103) | 0.4 (0.3-0.4) | 0.4 (0.4-0.5) | 0.40 | 0.4 (0.3-0.4) | 0.6 (0.5-0.6) | < 0.001 |
Basophils (103) | 0.04 (0.03-0.05) | 0.04 (0.04-0.05) | 0.31 | 0.04 (0.03-0.04) | 0.04 (0.04-0.05) | 0.30 |
Eosinophils (103) | 0.3 (0.3-0.4) | 0.5 (0.3-0.7) | 0.03 | 0.3 (0.2-0.3) | 0.3 (0.3-0.4) | 0.30 |
*95% CI, **p values calculated using the Student's t-test