Table 2. Post-Operative Contrast-Enhanced CT Findings of Flap Failure and Flap Success after Head and Neck Cancer Surgery.
| CT Findings | Flap Failure (n = 18) | Flap Success (n = 42) | P | Kappa-Value |
|---|---|---|---|---|
| Maximum dimension of flap (%) | 0.534 | 0.7991 | ||
| ≤ 5 cm | 8/32 (25) | 24/32 (75) | ||
| > 5 cm | 10/28 (36) | 18/28 (64) | ||
| Maximum dimension of intra- or peri-flap fluid collection (%) | < 0.05 | 0.8322 | ||
| ≤ 4 cm | 7/39 (18) | 32/39 (82) | ||
| > 4 cm | 11/21 (52) | 10/21 (48) | ||
| Maximum dimension of intra- or peri-flap air collection (%) | < 0.001 | 0.8993 | ||
| ≤ 2 cm | 7/48 (14.6) | 41/48 (85.4) | ||
| > 2 cm | 11/12 (91.7) | 1/12 (8.3) | ||
| Infiltration in fat within flap (%) | 0.7651 | 0.6993 | ||
| Present | 11/40 (27.5) | 29/40 (72.5) | ||
| Absent | 7/20 (35.0) | 13/20 (65.0) | ||
| Fistula to adjacent aerodigestive tract or skin (%) | < 0.001 | 0.8315 | ||
| Present | 8/8 (100) | 0/8 (0) | ||
| Absent | 10/52 (19.2) | 42/52 (80.8) | ||
| Enhanced vascular pedicle (%) | 0.9510 | 0.8322 | ||
| Present | 12/42 (28.6) | 30/42 (71.4) | ||
| Absent | 6/18 (33.3) | 12/18 (66.7) |