Table 4.
Postoperative Olfactory Diagnoses Stratified Across Preoperative Olfactory Diagnoses in Case Subjects With CRS.
| Preoperative Olfactory Classification/Category | Total N |
Postoperative Olfaction |
Mean Postoperative Improvement |
|||
|---|---|---|---|---|---|---|
| Diagnosis | N (%) | TDI Total Score | OCES | QOD-NS | ||
| Mean ± SD | Mean ± SD | Mean ± SD | ||||
| Normosmia | 26 | Normosmia | 20 (77%) | −0.1 ± 3.8 | −1.5 ± 2.7 | −4.1 ± 6.3 |
| Hyposmia / microsmia | 6 (23%) | −5.6 ± 2.1 | −3.7 ± 2.3 | −3.3 ± 8.2 | ||
| Anosmia | 0 (0%) | – | – | – | ||
| Hyposmia/microsmia | 49 | Normosmia | 19 (39%) | 7.7 ± 4.6 | −1.8 ± 2.5 | −10.5 ± 12.4 |
| Hyposmia / microsmia | 24 (49%) | 1.2 ± 5.2 | 0.4 ± 4.6 | −4.5 ± 6.8 | ||
| Anosmia | 6 (12%) | −10.5 ± 8.2 | – | −4.8 ± 5.8 | ||
| Anosmia | 38 | Normosmia | 5 (13%) | 21.6 ± 4.1 | −3.4 ± 4.4 | −13.3 ± 8.3 |
| Hyposmia / microsmia | 19 (50%) | 11.1 ± 4.5 | −5.1 ± 2.9 | −7.1 ± 8.0 | ||
| Anosmia | 14 (37%) | 1.4 ± 4.1 | −1.2 ± 3.9 | −2.0 ± 7.8 | ||
N, sample size; SD, standard deviation; TDI, threshold, discrimination, identification; OCES, olfactory cleft endoscopy scale; QOD-NS, Questionnaire of Olfactory Dysfunction-Negative Statements. Empty cells indicate that patient data was not available for that measure of interest.