Pulmonary endarterectomy team experience and early mortality after pulmonary endarterectomy between April 1994 and April 2009 in Mainz and Bad Nauheim, Germany
| Study period | Patients | Early mortality |
| April 1994 to July 2003 | 210 | 23 (10.9) |
| August 2003 to April 2009 | 210 | 11 (5.2) |
| Overall# | 420 | 34 (8.1) |
Data are presented as n or n (%). #: April 1994 to April 2009.