The Effect of Endoscopic Olfactory Cleft Opening on Obstructed Olfactory Cleft Disease

Table 1

Comparison of preoperative and postoperative olfactory function.

	Preoperative	Postoperative	P value
Mean PEA threshold (42)	−1.5268 ± 1.05623	−4.0476 ± 2.82096	<0.0001
Sinus surgery history
Without a prior sinus surgery (26) mean PEA threshold	−1.5962 ± 0.96586	−4.0625 ± 3.04205	<0.0001
With a prior sinus surgery (16) mean PEA threshold	−1.4141 ± 1.22875	−4.0234 ± 2.56751	0.001
Etiology of olfactory cleft obstruction
Anatomic anomaly (14) mean PEA threshold	−1.2768 ± 0.69021	−2.7411 ± 2.41811	0.050
Inflammatory process (14) mean PEA threshold	−1.8036 ± 1.45915	−4.8929 ± 3.01792	0.001
Anatomic anomaly and inflammatory process (14) mean PEA threshold	−1.5 ± 0.89738	−4.5089 ± 2.75893	0.002

Number of patients.