Evaluation of three indirect calorimetry devices in mechanically ventilated patients: Which device compares best with the Deltatrac II®? A prospective observational study

Quark RMR® compares better with Deltatrac II® than CCM express®, but it suffers an EE variance of 441 kcal, which is not acceptable for clinical practice. New indirect IC should be further improved before recommending their clinical use in ICU.