Patient characteristics, scores and outcomes
| Patient characteristics | |||
| Stable n=1271 | Deterioration n=122 | Significance (p) | |
| Age | 63.0 (50.0–74.0) | 68.0 (54.0–77.5) | n/a |
| BMI | 26.3 (22.7–30.5) | 26.6 (22.6–29.7) | n/a |
| Sex, male (%) | 737 (57.9) | 74 (60.6) | n/a |
| Patient scores | |||
| NEWS2 at discharge | 2.0 (1.0–4.0) | 4.0 (2.0–6.0) | <0.01 |
| NEWS2 on readmission | 7.0 (5.00–10.0) | <0.01* | |
| APACHE II | 16.0 (12.0–19.0) | 16.0 (14.0–19.3) | <0.01 |
| SOFA | 4.0 (3.0–5.0) | 4.0 (3.0–6.0) | 0.45 |
| Patient outcomes | |||
| First admission LOS ICU | 3.0 (1.8–5.0) | 4.0 (2.0–8.0) | <0.01 |
| Discharged out of hours† | 43.8 (557/1271) | 50.8 (62/122) | 0.54 |
| Discharged on a weekend | 25.6 (326/1271) | 35.2 (43/122) | 0.16 |
| Hospital mortality | 54.1 (66/122) | n/a | |
| Time (hours) before readmission | 94.5 (50.0–250.3) | n/a | |
| Number of patients readmitted | 74/1393 (5.3%) | n/a | |
Statistics reported as median (25th percentile–75th percentile) unless specified as percentage (n).
Bold values highlights statistically significant values in the table.
*Comparing NEWS2 at discharge to NEWS2 at readmission.
†Out of hours defined as 20:00–08:00 Monday to Friday and all day Saturday and Sunday.
APACHE II, Acute Physiology and Chronic Health Evaluation Score; BMI, body mass index; ICU, intensive care unit; LOS, length of stay; NEWS2, National Early Warning Score 2; SOFA, Sequential Organ Failure Assessment.