Table 3.

BrdU proliferation indexes of breast cancer cells.%0 mM Met5 mM Met10 mM Met25 mM MetMEAN ± SEM83.48 ± 8.2777.48 ± 8.5859.50 ± 8.3615.30 ± 1.89*

%	0 mM Met	5 mM Met	10 mM Met	25 mM Met
MEAN ± SEM	83.48 ± 8.27	77.48 ± 8.58	59.50 ± 8.36	15.30 ± 1.89*

Met: metformin; SEM: standard error mean; *P < 0.001