Absolute, not relative, changes are important when interpreting trial data: Reply

We appreciate the important remarks by Kalra et al. on our article [(1)][1]. We compared left ventricular (LV) volume and mass, as well as plasma levels of atrial natriuretic peptide (ANP), brain natriuretic peptide (BNP) and procollagen type III aminoterminal peptide (PIIINP), before and after