Table 1 Sample characteristics at baseline, N = 31
Variable | Descriptive statistic |
|---|---|
Age (years), mean (SD) | 86.4 (9.3) |
Gender, n (%) | |
 Male | 4 (12.9) |
 Female | 27 (87.1) |
Marital status, n (%) | |
 Single | 2 (6.7) |
 Married | 8 (26.7) |
 Divorced | 1 (3.3) |
 Widow | 19 (63.3) |
Length of stay (years), mean (SD) | 3.5 (3.8) |
Charlson Comorbidity Index (CCI), mean (SD) | 4.3 (1.7) |
 Rheumatic or connective tissue disease, n (%) | 22 (71.0) |
 Hypertension, n (%) | 21 (67.7) |
 Depression, n (%) | 11 (35.5) |
 Cerebrovascular disease, n (%) | 7 (22.6) |
 Previous myocardial infarction, n (%) | 6 (19.4) |
 Congestive heart failure, n (%) | 5 (16.1) |
 Diabetes mellitus, n (%) | 5 (16.1) |
 Peripheral vascular disease, n (%) | 3 (9.7) |
 Warfarin use, n (%) | 3 (9.7) |
 Skin ulcers, n (%) | 3 (9.7) |
 Pulmonary disease, n (%) | 2 (6.5) |
 Renal disease, n (%) | 2 (6.5) |