Table 1 Association of factors with allogeneic blood transfusion for patients having free-flap surgery
Characteristic | Patients, No. (%) |
|---|---|
(N = 2080) | |
Gender | |
Male | 1390 (66.8) |
Female | 690 (33.2) |
Age (years) | |
≤ 60 | 1309 (62.9) |
> 60 | 771 (37.1) |
BMI | |
Underweight (< 18.5) | 1757 (84.5) |
Normal and overweight (≥ 18.5) | 323 (15.5) |
Preoperative hemoglobin level | |
Normal | 1401 (67.4) |
Mild anemia | 615 (29.6) |
Moderate anemia | 64 (3.1) |
T stage | |
1 | 186 (8.9) |
2 | 679 (32.6) |
3 | 364 (17.5) |
4 | 851 (40.9) |
ASA | |
1 | 55 (2.6) |
2 | 1309 (62.9) |
3 | 661 (31.8) |
4 | 55 (2.6) |
Tumor localization | |
Maxillofacial malignant tumor | 305 (14.7) |
Buccal mucosa | 237 (11.4) |
Floor of mouth | 220 (10.6) |
Oropharynx | 154 (7.4) |
Tongue | 921 (44.3) |
Salivary adenocarcinoma | 243 (11.7) |
Category of flap | |
Free flap | 1104 (53.1) |
Pediculated flap | 976 (46.9) |
Type of flap reconstruction | |
Osseous | 1707 (82.1) |
Nonosseous | 373 (17.9) |