Comparison of outcome measures before and after implementing a pharmacist-managed warfarin order set among hospital patients receiving warfarin
| A. Medical patients | |||
| Outcome measure | Preimplementation (n=7200) | Postimplementation (n=6856) | P values |
| n (%) | n (%) | ||
| High INR | 399 (5.6) | 237 (3.4) | <0.001 |
| Low INR* | 1888 (51.8) | 1772 (50.4) | 0.332 |
| Bleeding | 109 (1.5) | 125 (1.8) | 0.152 |
| DVT | 5 (0.1) | 10 (0.2) | 0.201 |
| PE | 7 (<0.1) | 3 (0.1) | 0.345 |
| Stroke | 5 (0.1) | 15 (0.2) | 0.024 |
| MI | 18 (0.3) | 8 (0.1) | 0.078 |
| Any thrombosis | 35 (0.5) | 35 (0.5) | 0.905 |
| Hold warfarin | 1160 (16.2) | 1090 (15.9) | 0.959 |
| Missing INR on any day | 4703 (65.3) | 2059 (30.0) | <0.001 |