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. 2023 Nov 6;2:e45257. doi: 10.2196/45257

Table 6.

Feature correlation values. We summarize the Pearson correlation coefficients and Spearman rank correlation coefficients between the calculated Shapley additive explanations (SHAP) values and the respective features. For each feature, we also present the coefficients of the logistic regression model and their respective odds ratios.


Pearson correlation coefficient Spearman rank correlation coefficient Logistic regression coefficient Logistic regression odds ratio
Heart rate 0.606 0.816 0.016 1.016
Respiratory rate 0.792 0.417 0.128 1.137
Oxygen saturation −0.713 −0.694 −0.073 0.930
Temperature 0.006 −0.068 0.001 1.002
Level of consciousness 0.950 1.000 0.532 1.702
Supplementary oxygen 0.021 0.080 0.011 1.011
Systolic blood pressure −0.060 −0.099 0.001 1.001