Table I.
Clinical and demographic characteristics of the samples.
| Phase of the study | Type of study | Sample clinical characteristics | Mean age (range years) | Sex | ||
|---|---|---|---|---|---|---|
| M | F | |||||
| 1 | Item generation | Item generation | Patients with OD (n = 20) | 53.3 (42-78) | 10 | 10 |
| 2 | Internal consistency | Internal consistency | Patients with OD (n = 112) | 57.6 (18-87) | 53 | 59 |
| Reliability analysis | Test-retest reliability | Patients with OD (n = 61) | 57.3 (20-82) | 30 | 31 | |
| 3 | Normative data generation | Normative data | Asymptomatic subjects (n = 303) | 54.9 (18-87) | 141 | 162 |
| 4 | Validity analysis | Clinical validity | Asymptomatic subjects (n = 303) | 54.9 (18-87) | 141 | 163 |
| Patients with OD (n = 112) | 57.6 (18-87) | 53 | 59 | |||
| Concurrent validity (correlation between Brief-IT-QOD and I-SNOT-22 scores) | Patients with OD (n = 112) | 57.6 (18-87) | 53 | 59 | ||
| 5 | Responsiveness analysis | Comparison pre- and post-biological therapy | Patients with OD (n = 10) | 52.2 (41-67) | 7 | 3 |
| Age is reported as mean (range). OD: olfactory dysfunction. | ||||||