| Group | Chi-square test (p-value) | ||
---|---|---|---|---|
300–500 um group (N = 83) | 500–700 um group (N = 96) | Pearson Chi-square | Fisher's exact test | |
1Â week | Â | Â | Â | Â |
 Postoperative leukocyte count | 5.33 ± 1.26 | 5.26 ± 1.32 | 0.321 | 0.397 |
 Postoperative platelet count | 98.3 ± 13.2 | 101.2 ± 16.1 | 0.463 | 0.517 |
1Â month | Â | Â | Â | Â |
 Postoperative leukocyte count | 4.13 ± 0.91 | 5.08 ± 1.16 | 0.026 | 0.031 |
 Postoperative platelet count | 125.6 ± 20.3 | 138.7 ± 18.4 | 0.019 | 0.025 |
3Â months | Â | Â | Â | Â |
 Postoperative leukocyte count | 4.08 ± 1.25 | 4.83 ± 0.98 | 0.022 | 0.036 |
 Postoperative platelet count | 121.8 ± 16.9 | 134.3 ± 20.1 | 0.017 | 0.023 |
6Â months | Â | Â | Â | Â |
 Postoperative leukocyte count | 3.86 ± 0.89 | 4.01 ± 0.67 | 0.098 | 0.105 |
 Postoperative platelet count | 110.6 ± 15.3 | 115.7 ± 14.9 | 0.086 | 0.093 |
9Â months | Â | Â | Â | Â |
 Postoperative leukocyte count | 3.73 ± 0.85 | 3.82 ± 0.72 | 0.257 | 0.342 |
 Postoperative platelet count | 101.1 ± 21.6 | 102.4 ± 18.8 | 0.353 | 0.448 |
12Â months | Â | Â | Â | Â |
 Postoperative leukocyte count | 3.61 ± 0.59 | 3.65 ± 0.70 | 0.583 | 0.679 |
 Postoperative platelet count | 90.4 ± 19.3 | 89.7 ± 21.2 | 0.614 | 0.703 |