Table 5.
Association between pfcrt/pfmdr1 Mutations in P. falciparum Isolates Obtained from Children at Enrollment and CQ In-Vitro Susceptibility Profile
In-Vitro Susceptibility Profile | ||||
---|---|---|---|---|
Alleles of Genes/Haplotypes | Sensitive | Resistant | OR (95% CI) | P Value |
Pfcrt | ||||
K76 | 15 | 8 | 3.553 (1.278–9.875) |
0.013* |
T76 | 19 | 36 | ||
Pfmdr1 | ||||
N86 | 16 | 10 | 2.590 (0.993–6.76) |
0.05 |
Y86 | 21 | 34 | ||
Y184 | 23 | 34 | 0.203 (0.050–0.818) |
0.029* |
F184 | 10 | 3 | ||
Pfmdr1Y86-Y184-S1034-N1042 haplotype | ||||
Present | 15 | 31 | 4.133 (1.555–10.99) |
0.004* |
Absent | 20 | 10 | ||
Mutants pfcrtT76 + pfmdr1 Y86 | ||||
Present | 14 | 28 | 2.706 (1.103–6.635) |
0.028* |
Absent | 23 | 17 | ||
PfcrtT76+pfmdr1Y86-Y184-S1034-N1042 haplotype | ||||
Present | 14 | 27 | 2.464 (1.009–6.002) |
0.046* |
Absent | 23 | 18 | ||
PfcrtK76+ Any pfmdr1 haplotype | ||||
Present | 15 | 7 | 0.27 (0.096–0.764) |
0.011* |
Absent | 22 | 38 |
P value statistically significant; Alleles of pfcrt and pfmdr1 genes are the same as described in Table 2.