Table 5.
Relative risk and 95% confidence interval (CI) of potential risk factors for delayed parasite clearance on day-3 after artesunate-mefloquine treatment, January 2009-November 2010
| |
D3 Positive |
D3 Negative |
RR |
95% CI |
||
|---|---|---|---|---|---|---|
| N | % | N | % | |||
| Total |
94 |
14 |
557 |
86 |
|
|
| Gender | ||||||
| Female |
8 |
14 |
51 |
86 |
1.00 |
|
| Male |
86 |
15 |
506 |
85 |
1.08 |
0.52-2.54 |
| Age groups | ||||||
| 0-15 |
3 |
7 |
39 |
93 |
1.00 |
|
| 16-30 |
31 |
15 |
176 |
85 |
2.29 |
0.77-9.87 |
| 31-50 |
48 |
16 |
258 |
84 |
2.42 |
0.83-10.28 |
| 50+ |
12 |
13 |
82 |
87 |
1.90 |
0.57-8.70 |
| Citizen | ||||||
| Thai |
87 |
15 |
507 |
85 |
1.00 |
|
| Long-term migrant |
5 |
17 |
24 |
83 |
1.21 |
0.40-3.02 |
| Short-term migrant |
2 |
7 |
26 |
93 |
0.45 |
0.07-1.54 |
| Drug resistance area | ||||||
| A1 |
14 |
9 |
134 |
91 |
1.00 |
|
| A2 |
27 |
27 |
72 |
73 |
3.59* |
1.80-7.45 |
| B1 |
13 |
12 |
93 |
88 |
1.34 |
0.59-2.99 |
| B2 |
40 |
13 |
258 |
87 |
1.48 |
0.80-2.91 |
| Year | ||||||
| 2009 |
56 |
13 |
361 |
87 |
1.00 |
|
| 2010 |
32 |
18 |
146 |
82 |
1.41 |
0.87-2.26 |
| 2011 |
6 |
11 |
50 |
89 |
0.77 |
0.29-1.76 |
| Province | ||||||
| Buriram |
0 |
0 |
10 |
100 |
- |
|
| Chantaburi |
1 |
7 |
14 |
93 |
1.00 |
|
| Sakaew |
2 |
7 |
25 |
93 |
1.12 |
0.10-25.35 |
| Srisaket |
44 |
37 |
76 |
63 |
8.11* |
1.55-149.29 |
| Surin |
22 |
18 |
99 |
82 |
3.11 |
0.58-57.82 |
| Trat |
15 |
19 |
66 |
81 |
3.18 |
0.57-59.85 |
| Ubon Ratchathani |
10 |
4 |
267 |
96 |
0.52 |
0.09-9.96 |
| Reappearance | ||||||
| No |
86 |
14 |
530 |
86 |
1.00 |
|
| Yes | 8 | 23 | 27 | 77 | 1.83 | 0.75-3.98 |
* Statistical significance.