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. Author manuscript; available in PMC: 2013 Nov 1.
Published in final edited form as: Int J Cancer. 2012 Mar 20;131(9):2134–2142. doi: 10.1002/ijc.27468

Table 2.

Calculated values for the combination index (CI) as a function of fractional inhibition (Fa) of C4-2 cell viability for a mixture of p-XSC and rapamycin (molar ratio 5000:1) after 48 hr of treatment.

Fractional Inhibition (Fa) Combination Index (CI) Description of combined effect
0.2 0.808 Moderate Synergism
0.3 0.724 Moderate Synergism
0.4 0.715 Moderate Synergism
0.5 0.710 Moderate Synergism
0.6 0.705 Moderate Synergism
0.7 0.700 Synergism
0.8 0.694 Synergism
0.9 0.684 Synergism