TABLE 4.
MFI detection thresholds and maxima for P. falciparum dhfr, dhps, and pfcrt in field samples
| Gene and allele | MFI
|
|
|---|---|---|
| Thresholda | Maximum | |
| dhps | ||
| 436S-437A | 237 | 25,450 |
| 436S-437G | 453 | 12,963 |
| 436A-437Gb | 569 | |
| 436F-437Gb | 961 | |
| 540K | 537 | 23,623 |
| 540Eb | 762 | |
| 581A | 489 | 22,004 |
| 581Sb | 2,145 | |
| 613A | 610 | 21,778 |
| 613Sb | 1,850 | |
| dhfr | ||
| 51Ib | 2,443 | |
| 51N | 1,283 | 25,902 |
| 59R | 660 | 13,790 |
| 59C | 1,012 | 23,938 |
| 108T | 859 | 10,234 |
| 108S | 3,109 | 21,670 |
| 108N | 2,544 | 24,452 |
| 164I | 311 | 24,547 |
| 164Lb | 897 | |
| pfcrt | ||
| CVIETb | 1,960 | |
| CVMNK | 4,824 | 15,490 |
| SVMNT | 6,579 | 21,439 |
a
MFI above which samples are judged to be infected with a P. falciparum strain carrying the designated allele.
b
Allele not detected in the current population survey.