(b).
| Blood donors | (n = 861) | (n = 1305) | (n = 889) | (n = 1170) | p value | (n = 4225) |
|---|---|---|---|---|---|---|
| Hepatitis B | 50 (5.8) (4.3, 4.6) |
115 (8.8) (7.3, 10.5) |
64 (7.2) (5.6, 9.1) |
58 (5.0) (3.8, 6.4) |
0.001 | 287 (6.8) (6.1, 7.6) |
|
| ||||||
| HIV | 24 (2.8) (1.8, 4.1) |
30 (2.3) (1.6, 3.3) |
24 (2.7) (1.7, 4.0) |
16 (1.4) (0.7, 2.2) |
0.11 | 94 (2.2) (1.8, 2.7) |
|
| ||||||
| Syphilis | 39 (4.5) (3.2, 6.1) |
43 (3.3) (1.7, 3.4) |
40 (4.5) (3.2, 6.1) |
46 (3.9) (2.9, 5.2) |
0.40 | 168 (4.0) (3.4, 4.6) |
|
| ||||||
| Hepatitis C | 20 (2.3) (1.4, 3.6) |
32 (2.5) (2.4, 4.4) |
4 (0.5) (0.01, 1.2) |
15 (1.3) (0.7, 2.1) |
0.001 | 71 (1.7) (1.3, 2.1) |
|
| ||||||
| Malaria | N/A | N/A | N/A | 22 (1.9) |
N/A | 22/1170 (1.9) (1.2, 2.8) |
∗Infections are not mutually exclusive; coinfection data is discussed in Section 3.