Table 2.

Pearson’s correlation matrix for IC50s

Drug pairNo. of isolatesCorrelation coefficient (R)Pa
Mefloquine-artesunate510.430.018
Mefloquine-halofantrine360.77<0.001
Mefloquine-quinine530.79<0.001
Mefloquine-chloroquine360.41NSb
Artesunate-halofantrine340.31NS
Artesunate-quinine500.410.03
Artesunate-chloroquine330.18NS
Halofantrine-quinine350.66<0.001
Halofantrine-chloroquine330.27NS
Quinine-chloroquine360.610.001
  • a Bonferroni correction applied for multiple comparisons.

  • b NS, not significant.