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 | |
| Gender | 0.193* | ||
| Female | 13 (23.2) | 7 (43.8) | |
| Male | 43 (76.8) | 9 (56.2) | |
| Age (years) | 0.949 | ||
| < 51 | 25 (44.6) | 7 (43.8) | |
| ≥ 51 | 31 (55.4) | 9 (56.2) | |
| Cycles of radiotherapy | 0.321* | ||
| One | 41 (73.2) | 9 (56.2) | |
| Two | 15 (26.8) | 7 (43.8) | |
| Necrosis-free interval | 0.394* | ||
| Acute necrosis | 15 (26.8) | 2 (12.5) | |
| Chronic necrosis | 41 (73.2) | 14 (87.5) | |
| Carotid artery exposure | 0.741 | ||
| Yes | 20 (35.7) | 5 (31.2) | |
| No | 36 (64.3) | 11 (68.8) | |
| Osteoradionecrosis | 0.177* | ||
| Yes | 37 (66.1) | 14 (87.5) | |
| No | 19 (33.9) | 2 (12.5) | |
| Postoperative pathological result | 0.972* | ||
| Negative | 41 (73.2) | 11 (68.8) | |
| Positive | 15 (26.8) | 5 (31.2) | |
* P values were calculated using the Chi square test with continuity correction