Table 2.

Comparison of average optical density values of PI3K, Akt, and caspase-9 ($\overline{x}$ ± SD).

Group	n	PI3K	Akt	Caspase-9
A	12	0.4055 ± 0.0191▲	0.4715 ± 0.0177▲	0.3570 ± 0.0113▲
B	12	0.3379 ± 0.0445	0.3685 ± 0.0235	0.4074 ± 0.0264
C	12	0.3828 ± 0.0115▲∗	0.4023 ± 0.0214	0.3980 ± 0.0219
D	10	0.3807 ± 0.0106▲∗	0.4067 ± 0.0053	0.3572 ± 0.0097▲∗
E	12	0.4380 ± 0.0273	0.4662 ± 0.0461▲∗	0.3626 ± 0.0250▲∗
F	10	0.3918 ± 0.0177∗	0.4807 ± 0.0473∗	0.3516 ± 0.0273∗

^∗ P > 0.05 compared with Group A; ^▲P > 0.05 compared with Group F.