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Table 4 Haplotypes of Plasmodium falciparum isolates collected before 2009 and from 2009 to 2016

From: Phenotypic and genotypic characterization of Thai isolates of Plasmodium falciparum after an artemisinin resistance containment project

Group Haplotype Total Before 2009 2009–2016
Pfmdr1 K13 n (%) n (%) n (%)
N86Y Y184F S1034C N1042D C580Y R539T 100 (100.0) 49 (49.0) 51 (51.0)
I 86Y Y184 S1034 N1042 C580 R539 7 (7.0) 7 (14.3) 0 (0)
II N86 184F S1034 N1042 C580 R539 26 (26.0) 20 (40.8) 6 (11.8)
III N86 184F S1034 N1042 580Y R539 34 (34.0) 5 (10.2) 29 (56.9)
IV N86 184F S1034 N1042 C580 539T 8 (8.0) 1 (2.0) 7 (13.4)
V N86 184F S1034 1042D C580 R539 5 (5.0) 4 (8.2) 1 (2.0)
VI N86 184F 1034C 1042D C580 R539 9 (9.0) 9 (18.4) 0 (0)
VII Others 12 (12.0) 3 (6.1) 8 (15.7)
  1. Significant differences of haplotypes between parasites collected before 2009 and from 2009 to 2016 determined using Chi square test, p < 0.001