Table 5.
Predictors of readmission in a cohort of elderly patients surviving ICU admission
| Variable | Readmission within 72 Hours (Model P < 0.0001, AUROC 0.62) |
Readmission within Index Hospitalization (Model P < 0.0001, AUROC 0.67) |
||
|---|---|---|---|---|
| OR [95% CI] | P | OR [95% CI] | P | |
| ESRD | 2.159 [1.24, 3.84] | 0.007 | 2.06 [1.32, 3.22] | 0.001 |
| Age (per year) | 0.98 [0.97, 0.999] | 0.04 | 0.98 [0.97, 0.99] | 0.004 |
| Peripheral arterial disease | 1.46 [1.14, 1.87] | 0.003 | 1.38 [1.17, 1.63] | 0.0002 |
| Sepsis | 1.60 [1.07, 2.40] | 0.02 | 1.38 [1.03, 1.83] | 0.03 |
| Mechanical ventilation | 1.24 [1.04, 1.47] | 0.01 | ||
| Organ failures | 0.02 | 0.002 | ||
| ≤2 | 1.00 [reference] | 1.00 [reference] | ||
| >2 | 1.46 [1.06, 2.01] | 1.40 [1.13, 1.75] | ||
| Hematocrit <0.3 | 1.27 [0.99, 1.62] | 0.06 | 1.39 [1.18, 1.64] | <0.0001 |
| Temperature (°C) | 0.02 | |||
| <36 | 1.06 [0.88, 1.28] | |||
| 36 to 38.5 | 1.00 [reference] | |||
| >38.5 | 0.68 [0.52, 0.91] | |||
| Heart rate (bpm) | 0.001 | |||
| <60 | 0.95 [0.74, 1.22] | |||
| 60 to 100 | 1.00 [reference] | |||
| >100 | 1.44 [1.23, 1.69] | |||
| Glasgow coma scale | 0.049 | 0.03 | ||
| <7 | 0.71 [0.33, 1.50] | 0.71 [0.43, 1.17] | ||
| 7 to 12 | 1.57 [1.08, 2.29] | 1.37 [1.06, 1.77] | ||
| >12 | 1.00 [reference] | 1.00 [reference] | ||
AUROC, areas under the receiver operator characteristic curve.