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| Characteristics of PPSH | Numbers (%) |
|---|---|
| Laterality of PPSH | |
| Right | 11 (23.9) |
| Left | 30 (65.2) |
| Bilateral | 5 (10.9) |
| Number of PPSH | |
| Right (1/2/3/4) | 11/3/2/0 |
| Left (1/2/3/4) | 19/7/7/2 |
| Site of PPSH (N=85) | |
| Upper than 1st rib | 47 (55.3) |
| 1st intercostal space | 36 (42.4) |
| 2nd intercostal space | 2 (2.4) |
PPSH, parietal pleural small hole.
