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. 2012 Sep 12;7(9):e45063. doi: 10.1371/journal.pone.0045063

Table 6. CI values.

CI Outcome
SUM-229 PE 0.676 Synergy
T-47D 0.784 Synergy
IDC-1 0.693 Synergy
IDC-2 0.964 Synergy

CI values were calculated using the combination index (CI) equation. CI <1, = 1, and >1 indicate synergic, additive, or antagonic effects; respectively.