Research Article
Early Prediction of Sepsis Based on Machine Learning Algorithm
Table 1
Examples of variables in different types and the corresponding percentage of missing values.
| Vital signs | Unit | Missing percentage |
| HR (heart rate) | Beats per minute | 7.7% | O2Sat (pulse oximetry) | % | 12.0% | Temp (temperature) | Deg C | 66.2% | SBP (systolic BP) | Mm·Hg | 15.2% | … | … | … |
| Laboratory variables | Unit | Missing percentage | BaseExcess (measure of excess bicarbonate) | mmol/L | 89.6% | HCO3 (bicarbonate) | mmol/L | 91.9% | FiO2 (fraction of inspired oxygen) pH | % | 85.8% | pH | / | 88.5% | … | … | … |
| Demographics | Unit | Missing percentage | Age | years | 0.0% | Gender | Female (0) or male (1) | 0.0% | Unit1 (MICU) | No(0) or yes(1) | 48.9% | … | … | … |
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