Table 1.
Sample characteristics between intervention and control groups
| Characteristic | Percentage (N)
|
P | |
|---|---|---|---|
| Intervention group, n=473 | Control group, n=475 | ||
| Age, mean (±standard deviation) | 84.3 (79.6–90.5) | 83.5 (78.7–90.6) | 0.19 |
| Female | 58 (275) | 61 (290) | 0.42 |
| Non-whites | 39 (183) | 36 (170) | 0.31 |
| Severity of illness (APR-DRG) | |||
| Mild | 23 (108) | 20 (94) | 0.16 |
| Moderate | 29 (138) | 34 (162) | |
| Major | 31 (147) | 29 (138) | |
| Extreme | 17 (80) | 17 (81) | |
| Cognitive impairment | 16 (76) | 18 (86) | 0.63 |
| Charlson comorbidity index, mean (±standard deviation) | 2.28 (1.55–3.60) | 2.34 (1.53–3.84) | 0.59 |
Abbreviation: APR-DRG, All Patient Refined-Diagnosis Related Group.