Table 1.

Cytokines and proliferation marker Ki67 positive structures in samples of nasal polyps and significant differences between them and the control group.

Factors/Subjects	IL-1α		IL-4		IL-6		IL-7		IL-8		IL-10		IL-12		Ki 67
	E	CT	E	CT	E	CT	E	CT	E	CT	E	CT	E	CT	E	CT
1	++	+++	++	++/+++	++	+++	++	+++	++	+++	++	+++	++/+++	+++	+	+
2	+++	+++	++	++/+++	++	++/+++	+	++	++	++	+++	+++	++	+++	+/++	+
3	++	++	+	++	+	+++	++	+++	+/++	++	++	+++	+	+++	++	+
4	0/+	++	+	++	++	+++	++	++	++	++	++/+++	+++	++/+++	+++	0/+	0/+
5		0/+		+/++		+		0/+		0		+		++		0/+
6	+	+/++	+	+	+	+/++	+	++/+++	0/+	+	+	+	++	+++	0	+
7	+/++	++/+++	+/++	+++	+	+++	+/++	+++	0	+	0	0/+	++	++/+++	++	+
8	++	++	+	++	+/++	++/+++	+/++	++	+	+	+/++	+/++	+++	++	0	0
9		+		+		++		+		+		+		+		0
10	+	+	+	++/+++	+	++/+++	+	++/+++	0	+	+	+/++	++	+++	++	+
11	0/+	+	+	++/+++	++	+++	+/++	+++	+	+/++	+/++	++/+++	++	+++	+/++	++/+++
12	0/+	+/++	++	++/+++	+/++	++/+++	+/++	++	+	+	++	++	+++	++++	++	++
Average	+/++	++	+/++	++	+/++	++/+++	+/++	++	+	+/++	+/++	++	++	+++	+	+
Control	++/+++	0/+	+++	+/++	+++	+	+++	+/++	+++/++++	+	++++	++	+++	+	+/++	0/+
Significant Difference (p-value)	0.001	<0.001	<0.001	0.014	<0.001	<0.001	<0.001	0.006	<0.001	0.028	<0.001	0.811	0.002	<0.001	0.309	0.073

Abbreviations: E—epithelium; CT—connective tissue; Ki 67—proliferation marker; IL-1α —interleukin 1 alpha; IL-4—interleukin 4; IL-6—interleukin 6; IL-7—interleukin 7; IL-8—interleukin 8; IL-10—interleukin 10; IL-12—interleukin 12; 0/+—occasional positive structures, +—few positive structures, +/++—few to moderate number of positive structures, ++—moderate number of positive structures, ++/+++—moderate to numerous positive structures, +++—numerous positive cells, +++/++++—numerous to abundance of structures, ++++—abundance of positive structures in the visual field.