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Clinicopathological characteristics of the two study groups
| Group with nasal polyps | Control group | |
|---|---|---|
| N | 30 | 20 |
| Median age | 36.8 | 38.3 |
| Female/male | 8/22 | 6/14 |
| Smoking (yes/no) | 14/16 | 11/9 |
| Alcohol (yes/no) | 8/22 | 5/15 |
| Asthma | 3/30 | 2/20 |
| Aspirin intolerance | 1/30 | 0/20 |
| COPD | 0/30 | 0/20 |
| Previous surgery | 0/30 | 0/20 |
COPD = chronic obstructive pulmonary disease
