Table 1

Patient characteristics

Patient characteristic

N = 18

Age (years ± SD)

71 ± 7

Male (%)

11 (61%)

APACHE-II score ± SD

26 ± 6

ICU LOS (days, median (IQR))

8 (5 to 17)

Delirium

6 (30%)

Diagnosis group

Surgical

5 (28%)

Medical

13 (72%)

APACHE, Acute Physiology and Chronic Health Evaluation; LOS, length of stay; IQR, interquartile range; SD, standard deviation.

Simons et al. Critical Care 2012 16:439   doi:10.1186/cc11402