Research Article
Deep-Learning-Based Survival Prediction of Patients in Coronary Care Units
Table 2
Selected variables by multivariable Cox regression analysis.
| Multivariate analysis | Variables | HR | 95% CI | value |
| Disease | | | | Myocardial infarction | Reference | Heart failure | 1.508 | 1.275-1.785 | <0.001 | Tachycardia | 1.598 | 1.213-2.106 | 0.001 | Respiratory failure | 1.984 | 1.557-2.528 | <0.001 | Valve disorder | 0.947 | 0.66-1.359 | 0.768 | Race | | | | White | Reference | Black | 0.988 | 0.745-1.309 | 0.931 | Asia | 0.752 | 0.399-1.419 | 0.379 | Hispanic | 1.647 | 0.942-2.880 | 0.080 | Others | 0.531 | 0.314-0.897 | 0.018 | Unknown | 1.446 | 1.241-1.686 | <0.001 | Sex | | | | Male | Reference | Female | 1.019 | 0.897-1.156 | 0.777 | Anion gap (mmol/L) | | | | 8~16 | Reference | <8 | 1.356 | 1.018-1.807 | 0.038 | >16 | 1.253 | 1.090-1.439 | 0.001 | Glucose (g/dL) | | 70~140 | Reference | <70 | 0.86 | 0.574-1.289 | 0.466 | >140 | 1.173 | 1.031-1.333 | 0.015 | White blood cell (X109/L) | | | | 4~10 | Reference | <4 | 1.459 | 0.358-5.945 | 0.598 | >10 | 1.454 | 1.246-1.696 | <0.001 | Neutrophil (%) | | | | 50~70 | Reference | <50 | 0.639 | 0.395-1.034 | 0.068 | >70 | 0.852 | 0.704-1.032 | 0.101 | Potassium (mmol/L) | | | | 3.5~5.5 | Reference | <3.5 | 22.994 | 7.262-72.808 | <0.001 | >5.5 | 1.215 | 1.048-1.410 | 0.01 | Creatine kinase (U/L) | | | | 18~198 | Reference | <18 | 2.255 | 1.246-4.079 | 0.007 | >198 | 0.856 | 0.744-0.984 | 0.029 | Blood urea nitrogen (mg/dL) | | | | 6~22 | Reference | <6 | 1.066 | 0.393-2.892 | 0.899 | >22 | 1.584 | 1.312-1.913 | <0.001 | Age | 1.030 | 1.024-1.036 | <0.001 | APS-III | 1.021 | 1.016-1.026 | <0.001 | SOFA | 1.054 | 1.022-1.088 | 0.001 |
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