Table 4.

Symptoms scoring according to polyp grading

Symptom	Grade	Number	Mean ± SD	P Value
PND	2	21	3.00 ± 1.52	0.002
	3	41	4.00 ± 0.92
Pressure	2	21	1.95 ± 1.16	0.005
	3	41	2.78 ± 0.99
Smell Disturbance	2	21	2.48 ± 1.29	< 0.001
	3	41	4.41 ± 0.92
Obstruction	2	21	3.05 ± 1.07	< 0.001
	3	41	4.39 ± 0.77