Table 2.
Factors associated with gametocytaemia at presentation
|
Gametocytes at presentation |
No gametocytes at presentation |
P value of Z score | P value (95% CI of odds ratio) | |
|---|---|---|---|---|
| N = 94 (12.8%) | N = 639 (81.2%) | |||
| Duration of illness, days median (IQR) |
5 (2-9) |
4 (2-6) |
0.0303 |
- |
| Length of stay in malarious country, days, median (IQR) |
29 (19-45) |
24 (14-43) |
0.3194 |
- |
| Maximum parasitaemia, % median (IQR) |
0.15 (0.02-1.18) |
0.4 (0.05-2.35) |
0.0047 |
- |
| Anaemia n (%) |
57 (61) |
235 (36) |
- |
<0.0005 (1.361-1.998) |
| Severe anaemia (Hb < 8 g/dl), n (%) |
6 (6.4) |
16 (2.5) |
- |
0.045 (1.023-6.352) |
| Thrombocytopenia, n (%) |
52 (55) |
495 (76) |
- |
<0.0005 (0.593-0.860) |
| Raised bilirubin, n (%) |
43 (46) |
306 (47) |
- |
0.702 (0.756-1.208) |
| Severe malaria, n (%) |
35 (37) |
318 (49) |
- |
0.039 (0.570-0.985) |
| Born in a malarious country, n (%) |
59 (63) |
390 (60) |
- |
0.485 (0.743-1.121) |
| Prophylaxis taken, n (%) | 17 (18) | 140 (21.4) | - | 0.408 (0.524-1.300) |