Notification of result led to same-day care, n/N (%)* | | |
• All critical INR results | 174/200 (87.0) | 101/200 (50.5) |
• Only first critical INR result assessed per patient | 108/128 (84.4) | 72/148 (48.6) |
• Excluding patients taking warfarin in the morning and those for whom timing was unknown | 162/171 (94.7) | 94/164 (57.3) |
Same-day care implemented, n/N (%)† | | |
• Hold warfarin | 153/174 (87.9) | 80/101 (79.2) |
• Reduce warfarin dose | 16/174 (9.2) | 17/101 (16.8) |
• Administer oral vitamin K | 21/174 (12.1) | 6/101 (5.9) |
• Refer to health care provider or ED | 3/174 (1.7) | 1/101 (1.0) |
Notification of result led to same-day care based on severity of INR, n/N (%) | | |
• INR 5.1–9.0 | 161/186 (86.6) | 94/189 (49.7) |
• INR > 9.0 | 13/14 (92.9) | 7/11 (63.6) |
Incidence of thromboembolism, n/N (%)‡ | 1/200 (0.5) | 1/200 (0.5) |
Incidence of bleeding, n/N (%)‡ | 4/200 (2.0) | 6/200 (3.0) |