Table 2.
Characteristics of patients at hospital discharge
| Mortality (166 episodes) | Survival (728 episodes) | P value | |
|---|---|---|---|
| Median (IQR) age (years) | 69 (52–76) | 62 (46–72) | 0.001 |
| Number of males/females | 99:67 | 443:285 | 0.77 |
| Median (IQR) APACHE III | 92 (73–119) | 50 (36–68) | <0.001 |
| Number of elective ICU admissions (%) | 22 (13) | 302 (41) | <0.001 |
| Number of patients with acute renal failure (%) | 33 (20) | 10 (1) | <0.001 |
| Number of surgical patients (%) | 62 (37) | 453 (62) | <0.001 |
| Number of cardiac surgical patients (%) | 3 (2) | 50 (7) | 0.01 |
| Median (IQR) total TISS-76 score/episode | 152 (86–274) | 74 (48–120) | <0.001 |
| Median (IQR) bedside nurses per patient per day during ICU stay | 4.1 (2.3–7.6) | 1.9 (1.2–3.2) | <0.001 |
| Median (IQR) total TISS/nurse ratio | 39 (35–41) | 39 (35–42) | 0.77 |
| Number of patients with more than one ICU admission (%) | 11 (7) | 38 (5) | 0.47 |
| Median (IQR) length of stay in ICU | 3 (1–7) | 2 (1–4) | <0.001 |
| Number of in-ICU deaths (%) | 98 (59) | 0 (0) | <0.001 |
| Median (IQR) APACHE III-predicted risk of death (%) | 54 (28–81) | 6 (2–19) | <0.001 |
IQR interquartile range, APACHE III Acute Physiology and Chronic Health Evaluation III, TISS-76 76 item Therapeutic Intervention Scoring System