Table 1.
Characteristics of study population (total n=1567)
| Characteristics | Delirium (n=142, 9.1%) | Delirium v. Non-Delirium | Non-Delirium (n=1366, 87.2%) | Non-Delirium v. Unscorable | Unscorable (n=59, 3.8%) |
|---|---|---|---|---|---|
| Age at admission (years)† | 74.8±13.3 | .11 | 72.9±13.8 | .01 | 67.7±16.5 |
| Female (%)‡ | 70 (49.3) | .19 | 751 (55.0) | .02 | 23 (39.0) |
| Body Mass Index (BMI) (kg/m2)† | 28.8±7.0 | .29 | 28.3±7.5 | .23 | 27.1±5.9 |
| Primary Diagnosis Type(%)‡ | |||||
| Neurologic Injury | 71 (50.0) | <.001 | 348 (25.5) | <.001 | 53 (89.8) |
| Non-Neurologic Injury | 71 (50.0) | 1018 (74.5) | 6 (10.2) | ||
| Comorbidities(%)‡ | |||||
| Cardiac Disease | 106 (74.7) | .96 | 1017 (74.5) | .75 | 45 (76.2) |
| Depression | 18 (12.7) | .67 | 191 (14.0) | .23 | 5 (8.5) |
| Dementia | 10 (7.0) | .61 | 113 (8.3) | .06 | 9 (15.3) |
| Diabetes Mellitus | 36 (25.4) | .21 | 284 (20.1) | .93 | 12 (20.3) |
| Cancer | 15 (10.6) | .62 | 127 (9.3) | .05 | 10 (17.0) |
| Lung Disease | 24 (17.0) | .08 | 318 (23.3) | .41 | 11 (18.6) |
| DVT/PE | 10 (7.0) | .20 | 63 (4.6) | .66 | 2 (3.4) |
| Alcoholism | 15 (10.6) | .78 | 155 (11.4) | .60 | 8 (13.6) |
| Renal Disease | 29 (20.4) | .80 | 267 (19.6) | .27 | 15 (25.4) |
| Admission motor FIM score† | 24.3±9.6 | <.001 | 31.3±9.1 | <.001 | 17.4±9.1 |
| Admission cognition FIM score† | 15.2±5.8 | <.001 | 24.2±6.0 | <.001 | 10.2±5.9 |
†
Wilcoxon rank-sum test was used for comparison of values of age at admission, body mass index (BMI) and admission FIM scores which are described as mean±standard deviation (SD).
‡
Chi-square test was used for comparison of proportions among the groups.