Additional file 1 of An updated HACOR score for predicting the failure of noninvasive ventilation: a multicenter prospective observational study

Additional file 1. Supplementary Table 1. Points for each variable in the original HACOR score. Supplementary Table 2. Variables left in the elastic net logistic regression for predicting NIV failure in the training cohort from baseline data. Supplementary Table 3. Basic score for predicting NIV failure in the training cohort. Supplementary Table 4. Combining the basic score and the original HACOR score to predict NIV failure in the training cohort. Supplementary Figure 1. Flow of patient screening and enrollment. Supplementary Figure 2. Change in variable counts in the elastic net logistic regression. Supplementary Figure 3. The selection of variables in the elastic net logistic regression by 10-fold cross-validation. Supplementary Figure 4. Rate of NIV failure in patients in the training cohort with different updated HACOR scores. Supplementary Figure 5. Rate of NIV failure in patients in the validation cohort with different updated HACOR scores. Supplementary Method 1. Details of the development of the updated heart rate, acidosis, consciousness, oxygenation, and respiratory rate (HACOR) score in the training cohort.