Table 2.
Tumor characteristics of 8,165 ocular melanoma patients from the SEER database, 1973–2012
| Overall OM | UM | CM | P-value | |
|---|---|---|---|---|
| Frequency, N (%) | 8,165 | 7,516 (92.1) | 649 (7.9) | |
| Laterality, N (%)* | ||||
| Right | 4,049 (50.1) | 3,759 (50.5) | 290 (45.5) | <0.01 |
| Left | 4,025 (49.8) | 3,679 (49.4) | 346 (54.3) | <0.01 |
| Bilateral | 3 (0.1) | 2 (0.1) | 1 (0.2) | 0.08 |
| Stage, N (%)* | ||||
| Localized | 6,602 (90.1) | 6,126 (90.9) | 476 (81.2) | <0.01 |
| Regional | 601 (8.2) | 506 (7.5) | 95 (16.2) | <0.01 |
| Distant | 124 (1.7) | 109 (1.6) | 15 (2.6) | 0.09 |
Note:
*
Data presented for patients with available data only.
Abbreviations: CM, conjunctival melanoma; N, number; OM, ocular melanoma; SEER, Surveillance, Epidemiology, and End Results; UM, uveal melanoma.