Table 1.

Demographic and background data of the patients

Time	Pre-test (N = 385)		Post-test (N = 159)
Unit	A (n = 164)	B (n = 221)	A (n = 69)	B (n = 90)
Sex, %f	39.0	44.3	26.1	45.6
Age, m ± sd (range)	78.2 ± 5.9 (70–95)	79.5 ± 6.4 (70–99)	79.6 ± 5.6 (70–91)	80.3 ± 7.3 (70–101)
LoS, m ± sd (range)	6.9 ± 7.8 (1–64)	9.3 ± 10.2 (1–90)	7 ± 6.6 (1–37)	14.1 ± 12.8 (1–60)
Delirium, n(%)	19 (11.6)	31 (14.0)	8 (11.6)	13 (14.4)
DoD, n; m ± sd (range)	4.79 ± 2.3 (1–9)	8.5 ± 12.1 (1–68)	3.9 ± 2.9 (1–9)	16 ± 14.4 (1–49)

LoS Length of hospital stay (in days), DoD Duration of delirium (in days), sd standard deviation, m mean