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Table 5 Intraoperative dichotomous variables

From: A comparative analysis of predictive models of morbidity in intensive care unit after cardiac surgery – Part II: an illustrative example

Acronym Description Training set Testing set
   N % N %
MVR Mitral valve replaced with artificial valve 12 2.2 8 1.5
MR Mitral valve repaired surgically 10 1.8 10 1.8
AVR Aortic valve replaced with artificial valve 32 5.9 39 7.2
TVR Tricuspid valve repaired surgically 1 0.2 0 0.0
CABG-A Coronary artery bypass graft and aortic surgery 18 3.3 15 2.8
CABG-C Coronary artery bypass graft and carotid surgery 13 2.4 13 2.4
LIMA Coronary bypass with left internal mammary artery 440 80.7 431 79.1
IABP Intra-aortic balloon pump 12 2.2 9 1.7
Xclamp Two or more clampings of ascending aorta 7 1.3 10 1.8