Risk and clinical-outcome indicators of delirium in an emergency department intermediate care unit (EDIMCU): an observational prospective study

Table 2 Delirium status classified by delirium subtype

	Hypoactive	Hyperactive	Mixed
Patients, n (% total)	22 (38.6)	23 (40.3)	12 (21.0)
Characteristic
Mean age, years (SD)	65.6 (± 17.3)	67.3 (± 15.6)	69.2 (± 15.3)
Female, n (% group)	9 (40.9)	6 (26.1)	3 (25.0)
Mean length of delirium, days (SD)^a	1.2 (± 0.4)	1.6 (± 0.8)	3.0 (± 1.3)
Median EDIMCU LOS, days (IQR)^b	2.0 (0.25)	2.0 (2.0)	4.0 (5.0)

^aSignificant differences between Mixed and Hypoactive (p < 0.001) and Hyperactive (p < 0.001) (ANOVA, multiple comparisons Tukey post hoc HSD). ^bSignificant differences between Mixed and Hypoactive (p = 0.009) (Kruskal-Wallis for median, K independent samples, independent samples median test). IQR = interquartile range; LOS = length of stay; SD = standard deviation.

ISSN: 1471-227X