Table 5.

Comparison of P-Glycoprotein Expression.

Groups	n	Positive Area (µm2) ($\overline{x}\pm s$)	Mean Density ($\overline{x}\pm s$)	Total Density ($\overline{x}\pm s$)
Control group	9	6.44 ± 19.333	0.02 ± 0.065	1.39 ± 4.171
High group	9	70.33 ± 159.949**	0.08 ± 0.095**	30.678 ± 10.226**
Medium group	9	18.78 ± 55.213**	0.06 ± 0.096**	9.923 ± 3.308**
Low group	9	1.78 ± 3.833**	0.04 ± 0.087**	0.708 ± 0.236**

^**P > .05 versus control group.