Incidence rates of pneumothorax in different populations (all rates expressed per 100 000 per year)
| Study location | Period of study |
Pneumothorax (all types) | PSP | SSP | Comments |
| UK | |||||
| Glasgow11 | 1970s | 7.8 | Hospital admissions to one centre | ||
| Dundee13 | 1976–81 | 11.7 | Hospital admissions to one centre | ||
| Outside UK | |||||
| Stockholm, Sweden14 | 1980 | 28.0 (men) 10.0 (women) | Hospital contacts within a county | ||
| Minnesota, USA15 | 1950–74 | 7.9 | 7.7 (men) 1.3 (women) | 5.4 (men) 1.9 (women) | Based on 141 cases identified from community health records |
PSP = primary spontaneous pneumothorax; SSP = secondary spontaneous pneumothorax.