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Table 5 Risk stratification comparison between discharge 30-day readmission risk e-model and CMS-HWR models

From: Electronic medical record-based multicondition models to predict the risk of 30 day readmission or death among adult medicine patients: validation and comparison to existing models

Patient risk ranking and readmission rates based on CMS-HWR model
Based on e-Model Top 20 % 60-80 percentile 40-60 percentile 20-40 percentile Bottom 20 % Total
 Top 20 % 1620 (26.4 %a) 732 (27.2 %) 459 (19.0 %) 346 (21.1 %) 231 (22.5 %) 3388 (24.7 %)
60-80 percentile 911 (17.3 %) 836 (14.1 %) 598 (14.4 %) 543 (16.2 %) 499 (14.2 %) 3387 (15.4 %)
40-60 percentile 515 (12.8 %) 726 (12.0 %) 739 (12.4 %) 687 (12.1 %) 721 (9.2 %) 3388 (11.6 %)
20-40 percentile 261 (12.3 %) 661 (6.8 %) 751 (7.1 %) 800 (5.9 %) 914 (7.4 %) 3387 (7.2 %)
 Bottom 20 % 81 (3.7 %) 432 (8.3 %) 841 (4.8 %) 1011 (4.0 %) 1022 (3.7 %) 3387 (4.6 %)
 Total 3388 (20.2 %) 3387 (14.3 %) 3388 (10.6 %) 3387 (9.8 %) 3387 (8.7 %) 16,937 (12.7 %)
  1. aReadmission rate. This cell means that of the 16,937 patients, 1620 were stratified into the top 20 % by both models, and the readmission rate of these 1620 patients was 26.4 %