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Table 1 Baseline characteristics of the study sample

From: Excess costs of dementia disorders and the role of age and gender - an analysis of German health and long-term care insurance claims data

Characteristics of the study sample Dementia patients Non-demented control subjects p-value* Potential dementia cases
N 9,147 29,741   2,893
Mean age 81.6 (7.4) 79.6 (6.4) <0.0001 79.0 (7.7)
Females (as a %) 6,819 (74.6%) 20,932 (70.4%) <0.0001 2,020 (69.8%)
Beneficiary of long-term care (as a %) 6,037 (66.0%) 3,829 (12.9%) <0.0001 1,078 (37.3%)
Community-living at 1 January 2006 (as a %) 6,212 (67.9%) 29,028 (97.7%) <0.0001 2,484 (85.9%)
Shift to nursing home within 2006 (as a %) 654 (7.1%) 292 (1.0%) <0.0001 107 (3.7%)
Death in 2007 (as a %) 1,621 (17.7%) 1,764(5.9%) <0.0001 311 (10.8%)
Hypertension 5,768 (63.1%) 19,109 (64.3%) 0.04 1,881 (65.0%)
Lipid metabolism disorder 2,718 (29.7%) 10,825 (36.4%) <0.0001 967 (33.4%)
Diabetes mellitus 3,446 (37.7%) 8,977 (30.2%) <0.0001 1,014 (35.1%)
Ischaemic heart disease 2,747 (30.0%) 8,027 (27.0%) <0.0037 836 (28.9%)
Congestive heart failure 3,075 (33.6%) 6,478 (21.8%) <0.0001 750 (25.9%)
  1. Data are mean (standard deviation) unless noted otherwise.
  2. * Statistical significance at 5% level based on Chi2 tests for categorical variables and Kruskal–Wallis tests for continuous variables.
  3. ~ Statistical significance at 5% level adjusted for age and gender within logistic regression models.