Table 1 Distribution frequencies of background variables

69–79 years

19 (26%)

80–90 years

37 (51%)

> 90 years

17 (23%)

MMSE-Score (median 10)*

Severely cognitively impaired (CI)

0–10

32 (50%)

Moderately CI

11–20

23 (36%)

Mildly CI to normal

21–30

9 (14%)

Barthel Index-Score (median 9)

Very severely to severely disabled

0–9

41 (56%)

Moderately disabled

10–14

18 (25%)

Mildly disabled to independent in ADL

15–20

14 (19%)