Training data (10,745,181 admissions) | Test data (987,079 admissions) | |||
---|---|---|---|---|
% of training data | Death rates | % of test data | Death rates | |
Age distribution | ||||
[0–5] | 10.2% | 0.3% | 8.3% | 0.2% |
4.4% | 0.1% | 3.6% | 0.1% | |
[16–35] | 21.9% | 0.1% | 18.6% | 0.1% |
[36–55] | 25.2% | 0.5% | 23.3% | 0.4% |
[56–65] | 13.5% | 1.4% | 14.8% | 1.0% |
[66–75] | 12.8% | 2.8% | 14.8% | 1.7% |
[76–85] | 9.9% | 6.1% | 13.0% | 3.5% |
> = 85 | 2.2% | 19.6% | 3.7% | 9.5% |
Charlson score of comorbidity | ||||
Zero to mild (0) | 68.6% | 0.2% | 65.5% | 0.2% |
20.0% | 2.7% | 20.2% | 1.7% | |
6.8% | 5.7% | 8.5% | 3.5% | |
Severe [> = 5] | 4.5% | 14.7% | 5.8% | 10.1% |
Gender | ||||
Female | 54.7% | 1.5% | 53.6% | 1.1% |
Male | 45.3% | 2.1% | 46.4% | 1.6% |
Overall death rates | 1.8% | 1.3% | ||
LOS | ||||
Mean/Std. deviation | 3.21/11.42 | 2.75/5.134 | ||
Median | 1.00 | 1.00 | ||
Range | 599 | 171 | ||
Interquartile range | 2 | 1 |