Table 2 Statistical comparison using preoperative and postoperative non-parametric test using Wilcoxon signed-rank test
From: Olfactory and gustatory outcomes following endoscopic transsphenoidal hypophysectomy
Sniffin’ Stick Test | Preoperative mean value (N = 20) | Postoperative mean value (n = 20) | p value |
|---|---|---|---|
Odor identification | 12.15 ± 1.66 | 11.50 ± 1.63 | 0.049 |
Odor discrimination | 12.95 ± 1.47 | 12.80 ± 1.36 | 0.257 |
Odor threshold | 10.39 ± 1.72 | 10.56 ± 1.32 | 0.593 |
TDI score | 35.4 ± 3.08 | 34.8 ± 3.01 | 0.178 |