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Table 1 Demographic and clinical characteristics of study patients at the time of CREDOS registration

From: Risk of suicide and accidental deaths among elderly patients with cognitive impairment

Characteristics

Suicide death

Accidental death

Other

p

Post hoc

Male sex, N (%)

19 (42.2)

73 (52.9)

3383 (33.9)

< 0.000***

Accidental death > others

Age at time of registration, mean (SD), years

71.42 (7.60)

75.68 (7.54)

72.10 (8.41)

< 0.000***

Accidental death > suicide death, others

Occupational status, N (%)

11 (24.4)

23 (16.7)

1579 (15.8)

0.575

 

Education, mean (SD), years

4.22 (2.50)

5.41 (2.82)

5.14 (2.81)

0.048*

Accidental death > suicide death

CDR score, mean (SD)

0.68 (0.37)

0.93 (0.62)

0.79 (0.54)

0.004**

Accidental death > Suicide death, others

K-MMSE score, mean (SD)

21.29 (5.49)

20.03 (5.23)

21.76 (6.02)

0.009**

Others > accidental death

S-IADL score, mean (SD)

12.29 (10.23)

17.95 (12.07)

13.78 (11.49)

< 0.000***

Accidental death > suicide death, others

K-NPI score, mean (SD)

13.00 (13.90)

15.21 (20.14)

11.88 (16.03)

0.043*

Accidental death > others

  1. Bonferroni correction for multiple comparisons
  2. Abbreviation: CDR Clinical Dementia Rating Scale, CREDOS Clinical Research Center for Dementia of Korea, K-MMSE Korean Mini-Mental State Examination, SD standard deviation, S-IADL Seoul Instrumental Activity of Daily Living, K-NPI Korean version of Neuropsychiatric Inventory
  3. *p < 0.05, **p < 0.01, ***p < 0.001