Table 3.

Distribution of immunohistochemical marker expression levels.

Markers	Control	Sham	Pre-IR treatment	Post-IR treatment
Caspase-3, npn	2.25 ± 1.04	50.25 ± 9.35	25.75 ± 9.35	36.25 ± 5.37
Bax, npn	4 ± 3.38	44.63 ± 5.95	22.13 ± 7.62	32.13 ± 4.12
Bcl-2, npn	45.13 ± 5.44	13 ± 1.77	28.13 ± 3.56	19.88 ± 4.02
Bax/Bcl-2 ratio	0.86 ± 0.07	3.53 ± 0.89	0.79 ± 0.25	1.66 ± 0.28

Abbreviations. IR: Ischemia reperfusion, npn: number of positive neurons. Mann-Whitney U test was used for comparing numeric variables between groups.