Table 2.
Clinical characteristics of the patients discharged from ICU (mean ± SD).
| Readmittedpatients | Nonreadmitted patients | P | |
|---|---|---|---|
| Age (years) | 75.63 ± 10.84 | 63.12 ± 18.73 | <0.001ª |
| APACHE II | 22.02 ± 8.03 | 21.84 ± 8.82 | 0.892 |
| Length of stay (days) | 9.90 ± 8.25 | 6.43 ± 6.64 | 0.006ª |
| NEWS | 9.16 ± 1.05 | 4.01 ± 2.13 | <0.001ª |
| Chronic obstructive pulmonary disease (n, %) | 14 (28.6%) | 37 (7.6%) | <0.001ᵇ |
| Respiratory failure (n, %) | 12 (24.5%) | 59 (12.1%) | 0.025ᵇ |
| Cardiac arrest (n, %) | 12 (24.4%) | 22 (4.5%) | <0.001ᵇ |
| Traffic accident (n, %) | − | 37 (7.6%) | 0.039ᵇ |
| Postoperative care (n, %) | 1 (2.0%) | 96 (19.7%) | 0.002ᵇ |
a: Student t-test, b: Pearson’s chi-square test.