Table 2.
Characteristics of Residents in Intervention and Control Nursing Homes
| Intervention nursing homes | Control nursing homes | |||
|---|---|---|---|---|
| Total # residents on warfarin | 211 | 224 | ||
| Average % residents on warfarin | 11.79 | 12.70 | ||
| Total resident days on warfarin during the study period | 55167 | 53601 | ||
| p-value | ||||
| Age Mean, SD | 82.8, 9.1 | 82.2, 11.8 | 0.554 | |
| % Female | 70.6 | 65.2 | 0.225 | |
| Race | ||||
| % white | 90.5 | 78.6 | 0.001 | |
| % black | 3.3 | 11.6 | ||
| % other or unknown | 6.2 | 9.8 | ||
| Comorbidity burden (Charlson Index) Mean ± SD | 2.15 ±1.59 | 2.44 ±1.66 | 0.064 | |
| Indication for warfarin | ||||
| % Atrial fibrillation | 66.3 | 65.7 | 0.585 | |
| % Venous thrombosis/pulmonary embolism | 22.9 | 20.7 | ||
| % Stroke prevention without atrial fibrillation | 8.8 | 12.5 | ||
| % Valvular heart disease | 0.5 | 0.0 | ||
| % Other | 4.4 | 5.1 |