Table 1

Demographic information for the final study population, all of whom were ICU patients at CUH. The final study population was somewhat more heavily male than female. Among those who were readmitted to the ICU, the distribution of this second ICU stay’s length skewed strongly to the right (towards longer, second ICU stays)

Total patients2018
Male1230 (60.95%)
Age: mean (SD) (years)55.43 (19.08)
Age: median (IQR)57.00 (42.00, 70.00)
Total hospital length of stay: mean (SD) (days)27.44 (31.19)
Total hospital length of stay: median (IQR) (days)18.04, IQR (9.16, 33.42)
First ICU: Neurosciences1255 (62.19%)
First ICU: General763 (37.81%)
Patients with class 1 gold standard (death or ICU readmission within 48 hours of down-transfer from ICU)88 (4.36%)
Time from down-transfer to death or ICU readmission: mean (SD) (hours)16.24 (15.40)
Time from down-transfer to death or ICU readmission: median (IQR) (hours)9.65, IQR (2.49, 29.43)
Patients who died before ICU readmission21
Patients who began second ICU stay67
Patients who died at the end of this second ICU stay2
Duration of second ICU stay: mean (SD) (hours)122.06 (150.77)
Duration of second ICU stay: median (IQR) (hours)66.53, IQR (23.52, 144.58)
  • CUH, Cambridge University Hospitals NHS Foundation Trust; ICU, intensive care unit.