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Chronic sinusitis survey scores (0–100 scale) for patients with chronicsinusitis compared with a healthy reference population, mean (SD)
| Chronic sinusitis | Healthy controls | p | |
| n | 61–63 | 42 | |
| Sinus symptoms | 40 (26) | 87 (19) | <0.001 |
| Medication usage | 83 (18) | 98 (6) | <0.001 |
| Total | 61 (16) | 92 (11) | <0.001 |
