Table 2.
Outcomes of patients taking warfarin according to admission INR levels
| INR classification | Cases (n) | Duration of admission (average nights) | Patients requiring nasal packing | Patients requiring re-packing | Patients requiring surgical intervention | Patients re-admitted with epistaxis |
|---|---|---|---|---|---|---|
| Normal | 7 | 7 (1.0) | 5 | 0 | 0 | 0 |
| Supra-therapeutic | 5 | 6 (1.2) | 5 | 1 | 0 | 0 |
| Sub-therapeutic | 4 | 9 (2.25) | 4 | 0 | 0 | 0 |
| Not performed | 2 | 0 (0.0) | 0 | 0 | 0 | 1 |
| Statistical analysis of normal v abnormal INR (Pearson’s chi-squared value unless specified) | N/A | Mann–Whitney U test = 0.379 | 0.900 | 0.650 | 0.745 | 0.241 |
INR international normalised ratio