Demographic and baseline disease characteristics of the patients
| Age (years) n=338 | Median: 59 Range: 17–92 |
| Gender | Women: 136 Men: 202 |
| Tumour diameter (mm) | Median: 15.7 Range: 7–25 |
| Tumour thickness (mm) | Median: 10.4 Range: 2.7–17 |
| Retinal detachment | Present: 228 Absent: 110 |
| Ciliary body involvement | Present: 106 Absent: 232 |
| Extrascleral extension (macroscopic or microscopic) | Present: 25 Absent: 313 |
| TNM classification (7th TNM) | |
| T1 | 2/338 0.6% |
| T2 | 30/338 9.4% |
| T3 | 155/338 48% |
| T4 | 134/338 42% |
| Samples n=338 | Enucleation: 219 Endoresection: 49 FNA: 70 |
| Histology: mixed or epithelioid cytology n=206 | Yes: 138 No: 65 Indeterminate: 3 |
FNA, fine-needle aspiration; TNM, tumour node metastasis.