Table 1 Demographic and background data of the patients

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)