 New York Heart Association (NYHA) functional class                                  0.00                                                                      II                                                                                  00 (00)             00 (00)                  00 (00)                      III                                                                                 00 (00)             0 (00)                   0 (00)                       Risk factors                                                                                                                                                  Arterial hypertension                                                               00 (00)             00 (00)                  00 (00)                   0.00   