Table 2.

Comparison of Occludin 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	35655.00 ± 22156.226	0.2412 ± 0.0283	1.0368 ± 6.9716
High group	9	28076.78 ± 17744.036**	0.2293 ± 0.0118**	7.6383 ± 5.1534**
Medium group	9	29668.33 ± 15516.837**	0.2276 ± 0.0139**	8.1874 ± 4.6320**
Low group	9	25405.40 ± 10894.482**	0.2246 ± 0.0154**	6.9441 ± 3.1402**

^*P < .05, **P > .05 versus control group.