Table 2.
Comparison of preoperative blood test results, preoperative thromboelastography parameters and postoperative pain intensity between patients with and without post-tonsillectomy hemorrhage.
| Parameter | Posttonsillectomy hemorrhage (n=19) | No post-tonsillectomy hemorrhage (n=265) | P |
|---|---|---|---|
| Blood test results | |||
| Red blood cell count (×1012/L) | 4.62 (3.66–5.79) | 4.64 (3.27–5.96) | .706 |
| White blood cell count (×109/L) | 6.76 (4.21–10.92) | 5.97 (3.1–11.79) | .042 |
| Hemoglobin (g/L) | 131.88 (99.26–170.11) | 136.23 (83.59–206.85) | .786 |
| Platelet count (×109/L) | 161.18 (104.23–295.26) | 172.82 (99.88–354.37) | .065 |
| Fibrinogen (g/L) | 2.33 (2.05–4.09) | 2.65 (1.94–4.19) | .063 |
| Thromboelastography parameters | |||
| Coagulation reaction time (R)(min) | 5.70 (5.20–9.60) | 6.50 (5.00–9.20) | .014 |
| Kinetics of clot development (K)(min) | 1.70 (1.20–2.60) | 1.70 (1.00–2.90) | .767 |
| α angle (°) | 61.20 (52.20–71.40) | 62.30 (51.00–71.90) | .473 |
| Maximum thrombus amplitude (mm) | 57.10 (51.20–65.10) | 59.60 (50.10–71.60) | .031 |
| Postoperative pain | |||
| Day 1 | 3.02 (1.00–4.00) | 2.48 (1.00–4.00) | .029 |
| Day 2 | 6.30 (4.00–8.00) | 5.56 (2.00–8.00) | .009 |
| Day 3 | 4.19 (1.00–6.00) | 3.01 (1.00–7.00) | .033 |
Data are expressed as median (range).