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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 %