Hospitalization | % pneumothorax on CXR |
---|
R | 1 | 30* |
 | 2 | <10 |
 | 3 | <10 |
 | 4 | 50** |
L | 5 | Â |
 | 6 | <10 |
 | 7 | 50** |
-
Notes: R spontaneous pneumothoraces occurred in pregnancy #1–4, L spontaneous pneumothoraces occurred in pregnancy #5–7. (*) indicate hospitalizations associated with chest tube placement. (**) denotes surgical procedure to correct pneumothorax. CXR = chest x-ray.