Table 7

Baseline characteristics of the elderly alive at first visit and those who died between the prevalence day and first visit

Alive

Dead

p value 1


All (1,842), n (%)

1688 (91.6%)

154 (8.4%)

Men, n (%)

427 (91.0%)

42 (9.0%)

0.5899

Women, n (%)

1261 (91.8%)

112 (8.2%)

Age, mean (SD)

88.2 (4.6)

89.5 (5.2)

0.0036

Age group, years, (%)

0.0059

80-84

93.5

6.5

85-89

92.9

7.1

90-94

90.0

10.0

95+

86.0

14.0

Education, years, mean (SD)

5.1 (2.6)

5.0 (2.1)

0.3019

Living in institutions, %

10.7%

21.4%

<0.0001

Mini-Mental State Examination (MMSE) or c-MMSE, mean (SD)

21.5 (7.7)

19.9 (8.4)

0.0290

Spontaneous Behavior Interview (SBI)-Social Interactions, mean (SD)

7.9 (9.2)

10.4 (10.8)

0.0064

Informant Questionnaire on Cognitive Decline in the Elderly, mean (SD)

3.8 (0.7)

4.0 (0.8)

0.0029

Instrumental Activities of Daily Living, mean % disability

48.1 (37.0)

64.9 (35.4)

<0.0001

SBI-basic Activities of Daily Living, mean (SD)

7.1 (8.9)

12.0 (10.3)

<0.0001

SBI-Behavioral Problems, mean (SD)

1.1 (2.4)

1.0 (2.5)

0.6981


c-MMSE: converted-MMSE; SBI: Spontaneous Behavior Interview. 1 Student's t-test for numerical variables, chi-squared for nominal variables.

Lucca et al. BMC Neurology 2011 11:54   doi:10.1186/1471-2377-11-54

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