|
Risk factors for a male-biased gametocyte sex ratio 7 days after amodiaquine treatment of children with uncomplicated falciparum malaria, showing the crude and adjusted odd ratios (OR) and their 95% confidence intervals (CI) |
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| Variables |
Total Number |
No with gsr ≥ 0.5 |
OR (95% CI) |
P value |
AOR (95% CI) |
P value |
|
|
||||||
| Gender |
||||||
| male |
25 |
7 |
1 |
|||
| female |
25 |
8 |
1.1 (0.6 – 2) |
0.75 |
- |
- |
| Age |
||||||
| < 5 years |
20 |
7 |
1 |
|||
| ≥ 5 years |
30 |
8 |
0.8 (0.5 – 1.4) |
0.5 |
- |
- |
| Duration of illness |
||||||
| ≤ 3 days |
38 |
12 |
1 |
|||
| > 3 days |
12 |
3 |
0.8 (0.2 – 2.5) |
0.67 |
- |
- |
| Fever* |
||||||
| afebrile |
21 |
6 |
1 |
|||
| febrile |
29 |
9 |
1.1 (0.6 – 1.7) |
0.85 |
- |
- |
| PCV (day 0) |
||||||
| < 25% |
6 |
5 |
1 |
1 |
||
| ≥ 25% |
44 |
10 |
0.6 (0.5 – 1) |
0.002 |
0.06 (0.006 – 0.7) |
0.03 |
| Parasitaemia (day 0) |
||||||
| ≤ 20,000 μl/l |
22 |
3 |
1 |
1 |
||
| > 20,000 μl/l |
28 |
12 |
1.8 (1.1 – 2.7) |
0.025 |
5.7 (1 – 33) |
0.05 |
| Gametocytaemia (day 0) |
||||||
| < 18 μl/l |
11 |
4 |
1 |
|||
| ≥ 18 μl/l |
17 |
7 |
1.1 (0.6 – 2) |
0.8 |
- |
- |
| Year |
||||||
| pre 2006 |
34 |
8 |
1 |
|||
| 2006 |
16 |
7 |
1.8 (0.8 – 4) |
0.15 |
- |
- |
| GSR (day 0) |
||||||
| < 0.5 |
26 |
10 |
1 |
|||
| ≥ 0.5 |
2 |
1 |
1.5 (0.1 – 22) |
0.75 |
- |
- |
| FCT |
||||||
| < 2 days |
33 |
10 |
1 |
|||
| ≥ 2 days |
2 |
1 |
2.2 (0.1 – 32) |
0.56 |
- |
- |
| PCT |
||||||
| < 3 days |
32 |
8 |
1 |
|||
| ≥ 3 days |
18 |
7 |
1.5 (0.7 – 3.1) |
0.3 |
- |
- |
| PCV (day 7) |
||||||
| < 25% |
4 |
3 |
1 |
1 |
||
| ≥ 25% |
46 |
12 |
0.8 (0.6 – 3.7) |
0.04 |
0.06 (0.003 – 1) |
0.05 |
| Re-parasitaemia |
||||||
| Absent |
44 |
14 |
1 |
|||
| Present |
6 |
1 |
0.5 (0.06 – 3.7) |
0.45 |
- |
- |
|
*Fever, body temperature ≥ 37.5°C; FCT, fever clearance time; GSR, gsr, gametocyte sex ratio; PCV, packed cell volume; PCT, parasite clearance time | ||||||
Sowunmi et al. Malaria Journal 2008 7:169 doi:10.1186/1475-2875-7-169 |
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