Table 3 Characteristics of patients by adverse event status
From: The impact of adverse events in the intensive care unit on hospital mortality and length of stay
| Characteristics | Patients with AE | Patients without AE | P value |
|---|---|---|---|
| N | 40 | 167 | |
| Female – no. (%) | 17 (42.5) | 58 (34.7) | 0.36 |
| age – median yr. (25th – 75th %ile) | 65 (53–75) | 66 (55–76) | 0.61 |
| Glasgow coma scale – median (25th – 75th %ile) | 7 (5–10) | 8 (6–11) | 0.07 |
| Probability of death – median % (25th – 75th %ile)* | 0.34 (0.17–0.70) | 0.31 (0.12–0.62 | 0.45 |
| Charlson Index – no. (%) | 0.49 | ||
| 0 | 11 (27.5) | 51 (30.5) | |
| 1 | 18 (45.0) | 74 (44.3) | |
| 2 | 10 (25.0) | 29 (17.4) | |
| 3 | 1 (2.5) | 13 (7.8) | |
| Admitting Service – no. (%) | 0.76 | ||
| Medicine | 15 (37.5) | 71 (42.5) | |
| Surgery | 25 (62.5) | 96 (62.5) | |
| Diabetes – no. (%) | 0.16 | ||
| without end organ damage | 1 (2.5) | 18 (10.8) | |
| With end organ damage | 3 (7.5) | 6 (3.6) | |
| Indication for ICU admission – no. (%) | 0.09 | ||
| Medical reasons | 21 (52.5) | 110 (65.9) | |
| Post-op (scheduled) | 5 (12.5) | 28 (16.8) | |
| Trauma | 7 (17.5) | 17 (10.2) | |
| Post-op (unscheduled) | 7 (17.5) | 12 (7.2) | |
| Ventilation required in first 24 hrs – no. (%) | 36 (90) | 131 (78.4) | 0.09 |
| Location prior to ICU admission – no. (%) | 0.70 | ||
| Emergency department | 14 (35) | 65 (38.9) | |
| Operating room | 11 (18.3) | 49 (29.3) | |
| Hospital floor | 7 (17.5) | 24 (14.4) | |
| Outside hospital | 3 (7.5) | 16 (9.6) | |
| Other | 3 (7.5) | 4 (2.4) | |
| Intermediate care | 2 (5.0) | 9 (5.4) |