Table 4.
Variables | Coefficient |
---|---|
Intercept | −3.7508 |
Abdominal surgery | 1.2187 |
Cardiovascular surgery | 1.2955 |
Urological surgery | 0.6865 |
Congestive heart failure | 0.8753 |
Hemiplegia | 0.2393 |
Renal disease | 0.6158 |
Liver disease | 0.1879 |
Malignancy | 0.1365 |
Cardiovascular disease | 0.0940 |
Anaemia | 0.4046 |
Diabetes | 0.0844 |
Surgical admission | 0.0186 |
Urgent admission | 0.3341 |
Age (years) | 0.3988 |
Uric acid (mg/dL) | 0.0150 |
Urea (mg/dL) | 0.063 |
Calcium (mg/dL) | −0.1415 |
Leucocytes (n/µL) | 0.0203 |
Sodium (mEq/L) | −0.0107 |
Glucose (mg/dL) | 0.0380 |
(Potassium)2 (mEq/L) | 0.0104 |
The comorbidities variables refer to all diseases in that category of ICD-9 code (see Supplementary data, Table S3, for more information). The penalized model does not include rheumatic disease and cerebrovascular disease.