After Publication of the original article [1] it has been brought to our attention that none of the tables referred to in the text have been included in the article. Tables 1, 2, 3, 4, 5, 6 and 7 are now displayed below.

Table 1 Patient population profile (Survivors and non-survivors)
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Table 2 Parameters at the admission to the intensive care unit in survivors and non-survivors
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Table 3 Logistic regression model: risk factors for 90-day In-Hospital Mortality
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Table 4 A new system to predict operative mortality in patients undergoing cardiac surgery: POCAS score
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Table 5 Development series: predictive function of POCAS score scale for 90-day In- Hospital Mortality (Logistic regression)
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Table 6 Operative risk categories with corresponding cumulative risk score for 90-day In-Hospital Mortality after cardiac surgery for the risk groups calculated from the roc curve, cumulative risk score*
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Table 7 Validity of Additive EuroSCORE, Logistic EuroSCORE, ACEF, SOFA, SAP II, APACHE II, and POCAS to predict the 90-day In-Hospital Mortality rate after cardiac surgery with CEC
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