Table 2.
Tumor characteristics and surgical factors of patients receiving osteocutaneous flaps.
| Factor | Hardware failure (n = 34) N (%) |
No hardware failure (n = 179) N (%) |
P |
|---|---|---|---|
| Indication for flap | |||
| Oral cavity cancer | 18 (53) | 73 (41) | .40 |
| Recurrent oral cancer | 5 (15) | 38 (21) | |
| ORN | 6 (17) | 25 (14) | |
| Other | 5 (15) | 43 (24) | |
| Free flap | |||
| Radius | 21 (62) | 90 (50) | .22 |
| Fibula | 13 (38) | 89 (50) | |
| Flap location | |||
| Anterior | 11 (32) | 47 (26) | .54 |
| Lateral | 22 (65) | 119 (67) | |
| Both | 1 (3) | 13 (7) | |
| Plate used | |||
| 2 mm | 31 (91) | 144 (96) | .19 |
| 2.4 mm | 3 (9) | 4 (3) | |
| Both | 0 (0) | 2 (1) | |
| Two plates used | |||
| Yes | 3 (9) | 14 (8) | .84 |
| No | 31 (91) | 165 (92) | |
| Number of osteotomies | |||
| 0 | 22 (65) | 94 (52) | .52 |
| 1 | 9 (26) | 55 (31) | |
| 2 | 3 (9) | 28 (16) | |
| 3 | 0 (0) | 2 (1) | |
| Postoperative complications | |||
| None | 25 (74) | 140 (78) | .54 |
| 1 or more | 9 (26) | 39 (22) | |
| Radiation status | |||
| Postoperative | 12 (35) | 58 (32) | .37 |
| Previous | 10 (30) | 60 (33) | |
| None | 12 (35) | 46 (26) | |
| Unknown | 0 (0) | 12 (7) | |
| Preoperative and postoperative | 0 (0) | 3 (2) | |
| Length of stay (days) | 8.4 (3.4) | 8.6 (3.7) | .82 |