Table 4.
Severity of illness scores in readmitted and non-readmitted patients
| Variables | Readmission (n = 27) | No. of readmission (n = 705) | p value | ||
|---|---|---|---|---|---|
| 95 % CI | 95 %CI | ||||
| SAPS3, mean (SD) | 56.0 (11.6) | 51.4–60.6 | 50.5 (14.4) | 49.5–51.6 | 0.50 |
| MEWS, mean (SD) | 2.3 (1.3) | 1.8 (1.2) | 0.03 | ||
| SWIFT score, mean (SD) | 16.1 (6.8) | 13.4–18.9 | 13.0 (7.5) | 12.4–13.6 | 0.03 |
| Length of ICU stay, dy, mean (SD) | 3.0 (5.2) | 1.2–4.5 | 2.8 (4.1) | 2.6–3.4 | 0.88 |
| Source of admission n (%) | 0.09 | ||||
| Emergency | 4 (15) | 210 (30) | |||
| Other source | 23 (85) | 495 (70) | |||
| PaO2/FiO2 mmHg, mean (SD) | 287 (109) | 244–330 | 338 (119) | 329–348 | 0.03 |
| GCS at discharge | 14.7 (0.5) | 14.5–14.9 | 14.7 (1.2) | 14.6–14.8 | 0.91 |
| PCO2 mmHg, mean (SD) | 41.0 (8.0) | 37.8–44.2 | 39.7 (8.2) | 39.1–40.3 | 0.42 |
| PCO2 mmHg, n (%) | 0.04 | ||||
| <45 | 18 (67) | 526 (83) | |||
| >45 | 9 (33) | 111(17) | |||
| Modified SWIFT score, mean (SD) | 13.5 (7.7) | 17.6 (7.4) | 0.007 | ||
| SOFA score, mean (SD) | 4.4 (2.8) | 3.3–5.6 | 3.0 (2.2) | 2.8–3.2 | 0.001 |
| Respiration | 2.1 (1.1) | 1.4 (1.1) | 0.002 | ||
| Coagulation | 0.8 (1.1) | 0.4 (0.8) | 0.07 | ||
| Liver | 0.3 (0.6) | 0.3 (0.7) | 0.86 | ||
| Cardiovascular | 0.3 (0.7) | 0.3 (0.6) | 0.78 | ||
| CNS | 0.2 (0.5) | 0.2 (0.6) | 0.57 | ||
| Renal | 0.8 (1.1) | 0.4 (0.8) | 0.06 |
MEWS Modified Early Warning Score, SAPS3 Simplified Acute Physiology Score 3, SOFA Sequential Organ Failure Assessment score, SWIFT Stability and Workload Index for Transfer score