Table V.
Comparison of results from the present paper with the recent Italian literature in surgically-treated patients with parotid gland malignancies.
| Authors (year of publication) | Nagliati et al. 5 | Mercante et al. 6 | Paderno et al. 7 | Molteni et al. 8 | Mannelli et al. 3 | Varazzani et al. 4 | Present paper |
|---|---|---|---|---|---|---|---|
| Institution(s) | Trieste | Roma | Brescia | Modena | Firenze | Parma | Multicentric |
| No. of surgically treated patients | 104 | 141 | 104 | 74 | 219 | 48 | 106 |
| Prognostic factors | |||||||
| Preop facial nerve palsy | NA | ns | OS-DSS-DFS | NA | OS-DFS | NA | ns |
| Deep lobe involvement | NA | NA | NA | DSS | NA | NA | DSS-DFS |
| Tumour size | NA | NA | NA | DSS | NA | NA | DSS |
| pT | OS | DSS | OS-DSS-DFS | DSS | OS-DFS | NA | DSS-DFS |
| pN | OS | DSS | OS-DSS-DFS | DSS | OS-DFS | NA | DSS-DFS |
| Positive surgical margins | NA | NA | ns | NA | OS-DFS | NA | DSS-DFS |
| Histology | ns | ns | OS-DSS-DFS | DSS | OS-DFS | NA | ns |
| Grading | NA | DSS | NA | NA | NA | NA | DSS-DFS |
| TNM stage | NA | OS-DSS | OS-DSS-DFS | DSS | OS -DFS | NA | DSS-DFS |
| 5-y OS (%) | 58 | 72.3 | 74.7 | 77.4 | 68.7 | 85.4 | 84.5 |
| 5-y DSS (%) | 78 | 75 | 80.4 | 77.4 | 73.0 | 93.7 | 83.4 |
| 5-y DFS (%) | 82 | 82.1 (L) | 66.9 | 68.4 | 75.0 (L) | 89.6 | 82.5 |
| 89.5 (D) | 83.2 (R) | ||||||
| Median follow-up in months (range) | 47 | 69 | 51 | 51 | 95 | 84 (mean) | 39 |
| (12-153) | (7-279) | (3-245) | (26-76) | (7-180) | (3-110) | ||
| OS: overall survival; DSS: disease-specific survival; DFS: disease-free survival; L: local; D: distant; R: regional; NA: not available; ns: not significant. | |||||||