Table 10.
Backward binary logistic regressions cross-validated by demographic groups for predicting IMCU admissions.
| Sex | Age | Ethnicity | |||||
|---|---|---|---|---|---|---|---|
| Features | Female | Male | Young | Middle | Older | Non-Hispanic | Hispanic |
| Male | -- | -- | -- | 1.64 ** | 1.25 * | 1.40 * | 1.38 * |
| Age | |||||||
| Young Adult | -- | -- | -- | -- | -- | -- | -- |
| Middle | 0.86 | -- | -- | -- | -- | 0.85 | 1.16 |
| Older | 1.44 | -- | -- | -- | -- | 1.32 | 1.46 |
| BMI | -- | -- | -- | -- | -- | -- | -- |
| Normal | 1.52 | -- | -- | -- | 1.58 | 3.14 | -- |
| Overweight | 2.08 | -- | -- | -- | 2.07 * | 5.21 | -- |
| Obese | 2.32 * | -- | -- | -- | 2.16 * | 5.39 | -- |
| Race | |||||||
| Black | -- | -- | -- | -- | -- | -- | -- |
| Other | -- | -- | -- | -- | 1.24 * | -- | 1.12 |
| White | -- | -- | -- | -- | 0.89 | -- | 0.91 |
| Hispanic | -- | -- | -- | -- | -- | -- | -- |
| Smoke | |||||||
| Never | -- | -- | -- | -- | -- | -- | -- |
| Former | -- | -- | 0.00 | -- | -- | -- | -- |
| Current | -- | -- | 2.49 * | -- | -- | -- | -- |
| Diabetes | 1.35 ** | 1.36 ** | 4.46 ** | 1.45 ** | -- | 1.63 ** | 1.25 * |
| Hypertension | 1.53 ** | 2.14 ** | 0.81 * | 1.94 ** | 1.62 ** | 1.89 ** | 1.94 * |
| COPD | 1.34 * | 1.51 ** | -- | 1.59 * | 1.36 * | 1.66 ** | 1.29 * |
| Asthma | -- | -- | 2.79 | -- | -- | -- | -- |
| CKD Stages 1–4 | -- | 1.29 * | 3.48 * | 1.56 * | -- | 1.66 ** | -- |
| CKD Stage 5 | -- | -- | 0.42 | -- | -- | -- | -- |
| Heart Failure | 1.36 * | 1.3 * | 0.52 | 1.44 * | 1.36 * | -- | 1.41 * |
| Cancer | -- | -- | -- | 1.50 | -- | -- | 0.78 |
| Cardiac Arrhythmias | -- | 0.72 * | -- | 0.68 | -- | -- | -- |
| Cerebrovascular Disease | -- | -- | -- | -- | -- | -- | -- |
| Coronary Artery Disease | -- | -- | -- | -- | -- | -- | -- |
| Liver Disease | -- | -- | -- | -- | -- | -- | -- |
| HIV | -- | -- | -- | -- | -- | -- | -- |
| Pneumonia | 1.42 ** | 1.28 * | 2.25 * | 1.2 * | 1.35 ** | 1.40 | 1.32 * |
| ARBs | -- | -- | 4.21 * | -- | 0.81 * | 0.79 | -- |
| ACEIs | -- | 0.72 * | -- | 0.79 ** | 0.74 * | 0.76 | 0.79 * |
| Diarrhea | 2.88 ** | 2.42 * | 2.93 * | 2.81 ** | 2.30 ** | 2.82 ** | 2.52 * |
| Dependence on Renal Dialysis | 0.51 * | -- | -- | -- | -- | -- | 0.76 |
| R2 | 0.11 | 0.09 | 0.23 | 0.11 | 0.07 | 0.15 | 0.09 |
| Correct Classification % | 83.7% | 78.9% | 90.5% | 83.8% | 76.4% | 82.10 | 81.1 |
Note. Only variables that were identified as key predictors are reported for each model. Unique variance; * p < 0.05; ** p < 0.01. ‘--' in the table indicates the features not retained by the model for the sub-class.