Evaluation of frailty in geriatric patients undergoing cardiac rehabilitation after cardiac procedure: results of a prospective, cross-sectional study

Carolin Steinmetz, Laura Krause, Samra Sulejmanovic, Sabrina Kaumkötter, Johanneke Hartog, Bart Scheenstra, Flohr Stefan, Clemens Grefe, Thomas Mengden, Ernst Knoglinger, Nils Reiss, Birna Bjarnason-Wehrens, Thomas Schmidt, Monika Sadlonova, Christine A F von Arnim, Stephanie Heinemann