Table 2 Perioperative diagnosis, localization of defect, type of defect, origin of flap and time of surgery related to flap loss. The p-values marked with an * were calculated using the Monte-Carlo method
Variable | Total | Flap loss | Flap survival | p |
|---|---|---|---|---|
n = 489 | n = 71 | n = 418 | ||
Diagnosis | (489) | (71) | (418) | |
Tumour | 419 (85.7%) | 51 (71.8%) | 368 (88%) | P < 0.01 |
Infection | 15 (3.1%) | 5 (7%) | 19 (4.6%) | P = 0.06 |
Trauma | 19 (3.9%) | 4 (5.6%)) | 15 (3.6%) | P = 0.43 |
Other | 35 (7.2%) | 11(15.5%) | 24 (5.7%) | P < 0.01 |
Localization of defect | (488) | (71) | (417) | |
Intraoral | 353 (72.3%) | 43 (60.6%) | 310 (74.3%) | |
Head/Neck | 50 (10.2%) | 12 (17%) | 38 (9.1%) | |
Arm | 7 (1.4%) | 0 (0%) | 7 (1.7%) | P* < 0.01 |
Leg | 49 (10%) | 16 (22.5%) | 33 (7.9%) | |
Thorax | 29 (5.9%) | 0 (0%) | 29 (7%) | |
Defect | (488) | (70) | (418) | |
Soft tissue | 377 (77.3%) | 54 (77.1%) | 323 (77.3%) | |
Bone | 2 (0,4%) | 1(1.4%) | 1 (0.2%) | P* = 0.42 |
Bone and soft tissue | 109 (22.3%) | 15 (21.4%) | 94 (22.5%) | |
Origin of Flap | (489) | (71) | (418) | |
Abdomen | 27 (5.5%) | 1 (1.4%) | 26 (6.2%) | |
Arm | 242 (49.5%) | 25 (35.2%) | 217 51.9%) | P* = 0.01 |
Leg | 173 (35.4%) | 40 (56.3%) | 133 (31.8%) | |
Thorax | 47 (9.6%) | 5 (7%) | 42 (10%) | |
Time of surgery (minutes) | 492.5 (144.9) | 579.4 (183.8) | 477.1 (131) | P < 0.01 |