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Table 1 Characteristics of the sample, shown are proportions of sample (%), or mean and standard deviation (in parenthesis)

From: Item distribution, scalability and internal consistency of the QUALIDEM quality of life assessment for patients with dementia in acute hospital settings

Characteristic

Mild to severe dementia (n = 344)

Very severe dementia (n = 182)

Total (n = 526)

p value of difference

Proportion female, %

59.3

63.2

60.6

0.439a

Mean age (SD)

81.5 (9.5)

78.7 (12.1)

80.5 (10.6)

0.007b

Mean barthel-index (SD)

45.9 (28.5)

19.4 (24.4)

36.7 (29.9)

< 0.001c

Mean PAS-score (SD)

2.9 (3.1)

4.1 (3.3)

3.3 (3.2)

< 0.001c

Mean CCI (SD)

2.8 (1.6)

2.7 (1.6)

2.8 (1.6)

0.292c

Mean length of stay, in days (SD)

9.2 (5.4)

9.7 (7.8)

9.4 (6.3)

0.732c

Mean QUALIDEM total score (SD)

51.2 (16.0)

40.1 (16.5)

47.3 (17.0)

< 0.001b

  1. Barthel-Index: 0–100 (higher = better functioning); QUALIDEM: 0–100 (higher = better QoL)
  2. aχ2-test
  3. bt-test
  4. cMann–Whitney-U test