Table 1. Pre and postoperative (at 1, 6, 36 months after surgery) minimal cross-sectional area (MCA1 and MCA2) measurement with acoustic rhinometry.
| Variable | Preop mean (SD) | Postop1 mean (SD) | p a | Preop mean (SD) | Postop6 mean (SD) |
p a | Preop mean (SD) | Postop36 mean (SD) |
p a |
|---|---|---|---|---|---|---|---|---|---|
| MCA1 (cm 2 ) | 0.49 ± 0.15 | 0.83 ± 0.60 | 0.000 | 0.49 ± 0.15 | 0.90 ± 0.08 | 0.000 | 0.49 ± 0.15 | 0.85 ± 0.13 | 0.000 |
| MCA2 (cm 2 ) | 0.47 ± 0.15 | 1.12 ± 0.49 | 0.000 | 0.47 ± 0.15 | 1.29 ± 0.47 | 0.000 | 0.47 ± 0.15 | 1.15 ± 0.47 | 0.000 |
Abbreviations: MCA1, minimal cross-sectional area at the first 2 cm of the nasal cavity; MCA2, minimal cross-sectional area between 2–5 cm into the nasal cavity; Preop, preoperatively; Postop1, 1 month postoperatively; Postop6, 6 months postoperatively; Postopo36, 36 months postoperatively; SD, standard deviation.
Note: a Wilcoxon signed-rank test for paired samples.