Table 3.
Significant features for patients’ likelihood of being admitted to the ICU.
| Features | No ICU (N = 4775) |
ICU (N = 596) |
||||||
|---|---|---|---|---|---|---|---|---|
| N | % | N | % | χ2 | df | p | OR | |
| Age | ||||||||
| Young adult | 600 | 95.1 | 31 | 4.9 | 70.19 | 2 | <0.001 | 3.43 |
| Middle Adult | 2275 | 90.9 | 228 | 9.1 | - | - | - | - |
| Older Adult | 1900 | 84.9 | 337 | 15.1 | - | - | - | - |
| BMI | 0.0 | |||||||
| Underweight | 66 | 88 | 9 | 12.0 | 10.51 | 3 | 0.015 | 0.667 |
| Normal | 801 | 91.5 | 74 | 8.5 | - | - | - | - |
| Overweight | 1642 | 89.4 | 195 | 10.6 | - | - | - | - |
| Obese | 2266 | 87.7 | 318 | 12.3 | - | - | - | - |
| Sex (Male) | 2368 | 87.2 | 347 | 12.8 | 15.79 | 1 | <0.001 | 1.42 |
| Race | 0.0 | |||||||
| Black | 1512 | 90.2 | 164 | 9.8 | 16.76 | 2 | <0.001 | 0.86 |
| Other | 2416 | 87.3 | 353 | 12.7 | - | - | - | - |
| White | 847 | 91.5 | 79 | 8.5 | - | - | - | - |
| Ethnicity (Not Hispanic) | 1578 | 88.1 | 214 | 11.9 | 1.95 | 1 | 0.163 | 0.881 |
| Smoking Status | 0.0 | |||||||
| Never | 3969 | 89.2 | 482 | 10.8 | 1.94 | 2 | 0.379 | 1.23 |
| Former | 685 | 87.7 | 96 | 12.3 | - | - | - | - |
| Current | 121 | 87.1 | 18 | 12.9 | - | - | - | - |
| Diabetes | 1818 | 83.6 | 356 | 16.4 | 103.16 | 1 | <0.001 | 2.41 |
| Hypertension | 3066 | 86.2 | 492 | 13.8 | 79.71 | 1 | <0.001 | 2.64 |
| COPD | 395 | 83.9 | 76 | 16.1 | 13.29 | 1 | <0.001 | 1.62 |
| Asthma | 140 | 84.8 | 25 | 15.2 | 2.84 | 1 | 0.092 | 1.45 |
| CKD Stages 1 to 4 | 699 | 81.2 | 162 | 18.8 | 61.92 | 1 | <0.001 | 2.78 |
| CKD Stage 5 | 150 | 82.9 | 31 | 17.1 | 6.91 | 1 | 0.009 | 1.69 |
| Heart Failure | 623 | 83.8 | 120 | 16.2 | 22.33 | 1 | <0.001 | 1.68 |
| Cancer | 271 | 86.6 | 42 | 13.4 | 1.82 | 1 | 0.178 | 1.26 |
| Cardiac Arrhythmias | 599 | 88.9 | 75 | 11.1 | 0.00 | 1 | 0.978 | 1 |
| Cerebrovascular Disease | 307 | 91.1 | 30 | 8.9 | 1.75 | 1 | 0.185 | 1.23 |
| Coronary Artery Disease | 732 | 85.1 | 128 | 14.9 | 14.89 | 1 | <0.001 | 1.51 |
| Liver Disease | 97 | 82.2 | 21 | 17.8 | 5.49 | 1 | 0.019 | 1.76 |
| HIV | 53 | 94.6 | 3 | 5.4 | 1.89 | 1 | 0.169 | 1.51 |
| Pneumonia | 1907 | 86.4 | 299 | 13.6 | 22.91 | 1 | <0.001 | 1.51 |
| ARBs | 1232 | 88.4 | 161 | 11.6 | 0.41 | 1 | 0.524 | 1.06 |
| ACEIs | 1637 | 88 | 223 | 12.0 | 2.30 | 1 | 0.130 | 1.15 |
| Diarrhea | 511 | 62.5 | 307 | 37.5 | 683.48 | 1 | <0.001 | 8.86 |
| Dependence on Renal Dialysis | 111 | 77.6 | 32 | 22.4 | 18.95 | 1 | <0.001 | 2.38 |
Individual chi-square results of the 24 demographic features predicting ICU admission.