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Clinical factors relative with vascular crisis
| Clinical factor | No. (%) | Vascular crisis | p-valuea) |
|---|---|---|---|
| Previous radiotherapy | 0.897 | ||
| Yes | 89 (71.8) | 7 | |
| No | 35 (28.2) | 3 | |
| Previous neck dissection | 0.780 | ||
| Yes | 69 (55.6) | 6 | |
| No | 55 (44.4) | 4 | |
| Previous free flap | 0.585 | ||
| Yes | 40 (32.3) | 4 | |
| No | 84 (67.7) | 6 |
Chi-square test.
