| Clinical factors | Overall (n=388) (%) | Graft successful (n=366) (%) | Graft failure (n=22) (%) | p-value | |
|---|---|---|---|---|---|
| Graft underlaying technique | Above malleus | 79 (20.4) | 72 (19.7) | 7 (31.8) | 0.176 |
| Below malleus | 309 (79.6) | 294 (80.3) | 15 (68.2) | ||
| Graft material | Surederm | 1 (0.3) | 1 (0.3) | 0 (0.0) | 0.176 |
| Temporalis deep fascia | 188 (48.5) | 181 (49.5) | 7 (31.8) | ||
| Tragal perichondrium | 199 (51.3) | 184 (50.3) | 15 (68.2) | ||
| Perforation size | Large | 187 (48.2) | 172 (47.0) | 15 (68.2) | 0.078 |
| Medium | 177 (45.6) | 172 (47.0) | 5 (22.7) | ||
| Small | 7 (1.8) | 7 (1.9) | 0 (0.0) | ||
| Total | 17 (4.4) | 15 (4.1) | 2 (9.1) | ||
| Middle ear status | |||||
| Otorrhea | Fungal hyphae | 4 (1.0) | 4 (1.1) | 0 (0.0) | 0.112 |
| Muco-purulent | 9 (2.3) | 9 (2.5) | 0 (0.0) | ||
| Mucoid | 67 (17.3) | 59 (16.1) | 8 (36.4) | ||
| None | 308 (79.4) | 294 (80.3) | 14 (63.6) | ||
| Ossicle chain | Fair mobility | 39 (10.1) | 39 (10.7) | 0 (0.0) | 0.148 |
| Intact | 349 (89.9) | 327 (89.3) | 22 (100.0) | ||
| Mucosa | Adhesive | 4 (1.0) | 4 (1.1) | 0 (0.0) | 0.126 |
| Edematous | 49 (12.6) | 46 (12.6) | 3 (13.6) | ||
| Hypertrophy | 24 (6.2) | 20 (5.5) | 4 (18.2) | ||
| Intact | 311 (80.2) | 296 (80.9) | 15 (68.2) | ||
| Eustachian tube | Fair | 1 (0.3) | 1 (0.3) | 0 (0.0) | 1.000 |
| Intact | 387 (99.7) | 365 (99.7) | 22 (100.0) | ||
| Cholesteatoma | Exist | 3 (0.8) | 2 (0.5) | 1 (4.5) | 0.161 |
| None | 385 (99.2) | 364 (99.5) | 21 (95.5) |