Table 3. The effect of tranexamic acid plus phenylephrine versus phenylephrine alone on the quality of surgery field by duration of time after surgery based on Boezaart grading.
| Intervention (n = 30) | Control (n = 30) | ||||
| Quality of surgery field (grade)a | Number | Percent | Number | Percent | P value |
| 0–15 min | 0.002 | ||||
| Grade I | 3 | 10.0 | 0 | 0.0 | |
| Grade II | 23 | 76.7 | 13 | 43.3 | |
| Grade III | 4 | 13.3 | 13 | 43.3 | |
| Grade IV | 0 | 0.0 | 4 | 13.3 | |
| 16–30 min | 0.003 | ||||
| Grade I | 1 | 3.3 | 0 | 0.0 | |
| Grade II | 21 | 70.0 | 8 | 26.7 | |
| Grade III | 7 | 23.3 | 16 | 53.3 | |
| Grade IV | 1 | 3.3 | 6 | 20.0 | |
| 31–45 min | 0.163 | ||||
| Grade I | 1 | 3.5 | 0 | 0.0 | |
| Grade II | 14 | 48.3 | 7 | 24.1 | |
| Grade III | 11 | 37.9 | 17 | 58.6 | |
| Grade IV | 3 | 10.3 | 5 | 17.2 | |
a
Grades of 0 and V were not seen.