Table 2 Associations between clinical characteristics and the status of posterior pedicle nasal septum and the floor mucoperiosteum flap
Characteristic | Status of the flap [cases (%)] | P value | |
|---|---|---|---|
Survived | Necrotized | ||
Total | 56 | 16 | Â |
Gender | Â | Â | 0.193* |
 Female | 13 (23.2) | 7 (43.8) |  |
 Male | 43 (76.8) | 9 (56.2) |  |
Age (years) | Â | Â | 0.949 |
 < 51 | 25 (44.6) | 7 (43.8) |  |
 ≥ 51 | 31 (55.4) | 9 (56.2) |  |
Cycles of radiotherapy | Â | Â | 0.321* |
 One | 41 (73.2) | 9 (56.2) |  |
 Two | 15 (26.8) | 7 (43.8) |  |
Necrosis-free interval | Â | Â | 0.394* |
 Acute necrosis | 15 (26.8) | 2 (12.5) |  |
 Chronic necrosis | 41 (73.2) | 14 (87.5) |  |
Carotid artery exposure | Â | Â | 0.741 |
 Yes | 20 (35.7) | 5 (31.2) |  |
 No | 36 (64.3) | 11 (68.8) |  |
Osteoradionecrosis | Â | Â | 0.177* |
 Yes | 37 (66.1) | 14 (87.5) |  |
 No | 19 (33.9) | 2 (12.5) |  |
Postoperative pathological result | Â | Â | 0.972* |
 Negative | 41 (73.2) | 11 (68.8) |  |
 Positive | 15 (26.8) | 5 (31.2) |  |