Treatment and tumour parameters
| Patient parameters | Value |
|---|---|
| Sex | |
| Male | 91 (51.41%) |
| Female | 86 (48.59%) |
| Laterality | |
| Right | 83 (46.89%) |
| Left | 94 (52.11%) |
| Age (years) | 62.1 (median; IQR: 51.8–70.5) |
| Diabetes | 22 (12.4%) |
| Systemic hypertension | 62 (35.0%) |
| Coronary artery disease | 25 (14.1%) |
| Other cancer | 12 (6.8%) |
| Tumour parameters | Value |
| Tumour height (mm) | 6.1 (median; IQR: 4.4–8.2) |
| Longest basal diameter (mm) | 11.7 (median; IQR: 9.4–14.3) |
| TNM 7 classification | |
| T1 | 28 (15.8%) |
| T2 | 74 (41.8%) |
| T3 | 71 (40.1%) |
| T4 | 4 (2.3%) |
| Distance to optic disc margin (mm) | 3.0 (median; IQR: 0.5–4.5) |
| Distance to foveola (mm) | 1.5 (median; IQR: 0–3.5) |
| Shape | |
| Dome | 135 (76.3%) |
| Mushroom | 42 (23.7%) |
| Retinal detachment | |
| Present | 108 (61.0%) |
| Absent | 69 (39.0%) |
| Tumour pigmentation | |
| Melanotic | 165 (93.2%) |
| Amelanotic | 12 (6.8%) |
| Coronal location | |
| Nasal | 28 (15.8%) |
| Midline | 59 (33.33%) |
| Temporal | 90 (50.85%) |
| Sagittal location | |
| Superior | 49 (27.7%) |
| Horizontal | 80 (45.2%) |
| Inferior | 48 (27.1%) |
| Anterior margin | |
| Ciliary body | 7 (4.0%) |
| Anterior to equator | 49 (27.7%) |
| Posterior to equator | 121 (68.4%) |
| Treatment parameters | Value |
| Treatment dose (Gy) | 30 (Median, range: 25–80) |
| Isodose | 50 (Median, range: 32–80) |
| High dose (>=35 Gy): | N=66 (median dose: 45 Gy, range: 35–80 Gy) |
| Low dose: (<35 Gy): | N=111 (median dose: 30 Gy, range: 25–30 Gy) |