Mean bias (SD)% 95% limits of agreement All patients 3.8 (6) +15.8 to – 8.2 Cardiac Index <2 2.6 (7) +16.6 to -11.4 Cardiac Index>= 2 3.9 (5.8) +14.9 to -7.1 Patients on Inotropes 3.4 (6.8) +17 to -10.2 Patients on Inodilators 1.97 (5.2) +12.4 to -8.4 Patients on both Inotropes and Inodilators 3.8 (5.5) +14.8 to -7.2 CABG patients (n=14) -0.1(8.2) +16.3 to – 16.5 AVR patients (n=14) 5.2(7.9) +21 to -10.6

Table 2: Mean bias and 95% limits of agreement. SD: Standard Deviation, CABG: Coronary Artery Bypass Graft, AVR: Aortic Valve Replacement