Research Article
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 |
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