(I) Concentration (J) Concentration Mean Difference  (I-J) Std. Error Sig. 95% Confidence Interval Lower Bound Upper Bound Control 50µM 17398.929 5.984 .047* -85.70 34883.55 100µM 10207.500 5.984 .532 -7277.12 27692.12 50µM 100µM -7191.429 5.984 .835 -24676.05 10293.20 * The mean difference is significant at the 0.05 level.

Table 3: Post Hoc multiple comparisons test (Tukey HSD method) for comparison of the mean differences of NAF ± standard error for different gossypol concentrations and control cells 6 hours post treatment.