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. 2017 Mar 3;12(3):e0173303. doi: 10.1371/journal.pone.0173303

Table 4. CalcuSyn output for the combination between atovaquone and proguanil.

Drug CI Values at
ED50 ED75 ED90 Dm m r
ATQ N/A N/A N/A 0.293 0.549 0.879
PG N/A N/A N/A 10960 1.408 0.962
ATQ+PG (1:7455) <0.001 0.004 0.295 2.2x10-5 0.198 0.825

The combinatory index values (CI) are shown for the ATQ + PG constant ratio combination (1:7455) and the ED50, ED75 and ED90 levels of inhibition. The Dm, m and r values are also shown for all sets of data. Dm indicates potency and depicts the median-effect dose at the ED50 level of inhibition. The m value refers to the kinetic order and shape of the curve m = 1, > 1, and < 1 indicates hyperbolic, sigmoidal, and negative sigmoidal shape, respectively. The r value is the linear correlation coefficient for the median-effect plot and indicates conformity to the mass action law.