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 |