Research Article
Epidemiology and Survival Outcomes for Eyelid Primary Malignant Melanoma: An Analysis of 1397 Cases in the SEER Database
Table 2
Univariate analysis of factors affecting 5-year and 10-year OS and DSS of eyelid PMM.
| Characteristics | OS | Log rank | DSS | Log rank | 5-year | 10-year | value | 5-year | 10-year | value |
| Overall | 70.5 | 51.8 | | 90.6 | 86.1 | |
| Sex | Male | 67.3 | 49.4 | Reference | 89.5 | 86.2 | Reference | Female | 74.1 | 54.4 | 0.068 | 99.2 | 97.6 | 0.317 |
| Race | White | 69.8 | 50.8 | Reference | 90.2 | 85.7 | Reference | Others | 90.1 | 81.1 | 0.009 | 100 | 96.0 | 0.052 |
| Ethnicity | Hispanic | 72.7 | 63.7 | Reference | 91.9 | 89.3 | Reference | Non-Hispanic | 70.4 | 51.1 | 0.542 | 90.5 | 85.9 | 0.714 |
| Age, y | <40 | 94.2 | 90.9 | Reference | 95.4 | 92.0 | Reference | 40–59 | 86.8 | 75.7 | 0.005 | 93.0 | 86.6 | 0.186 | 60–79 | 76.0 | 57.6 | <0.001 | 91.8 | 88.5 | 0.342 | 80+ | 43.9 | 13.7 | <0.001 | 84.3 | 79.9 | 0.007 |
| Laterality | Left | 72.2 | 53.4 | Reference | 91.6 | 88.0 | Reference | Right | 69.5 | 50.8 | 0.501 | 89.2 | 83.9 | 0.190 |
| Histology | Malignant melanoma, NOS | 69.3 | 51.8 | Reference | 88.8 | 84.8 | Reference | LMM | 73.5 | 54.2 | 0.692 | 99.0 | 94.8 | <0.001 | SSM | 82.1 | 58.8 | 0.003 | 95.4 | 89.2 | 0.006 | NM | 56.5 | 36.7 | 0.001 | 76.4 | 71.5 | 0.004 |
| AJCC stage | I | 79.3 | 61.1 | Reference | 97.3 | 93.9 | Reference | II | 64.4 | 53.7 | <0.001 | 80.8 | 76.6 | <0.001 | III | 57.0 | 46.0 | <0.001 | 75.9 | N/A | <0.001 | IV | 40.0 | 20.0 | <0.001 | 50.3 | N/A | <0.001 |
| Stage at diagnosis | Localized | 75.9 | 56.1 | Reference | 94.7 | 90.8 | Reference | Regional | 39.8 | 26.2 | <0.001 | 62.7 | 54.5 | <0.001 | Distant | 28.4 | 17.0 | <0.001 | 41.4 | 33.1 | <0.001 |
| Metastasis at diagnosis | None | 72.1 | N/A | Reference | 92.9 | N/A | Reference | Distant | 40.0 | N/A | <0.001 | 50.0 | N/A | <0.001 |
| Surgery | Yes | 71.9 | 53.1 | Reference | 91.1 | 86.6 | Reference | No | 60.7 | 28.6 | <0.001 | 83.6 | 77.2 | 0.009 |
| Radiation chemotherapy | Yes | 59.9 | 37.9 | Reference | 74.2 | 49.5 | Reference | No | 71.5 | 52.2 | <0.001 | 91.1 | 87.3 | <0.001 |
| Chemotherapy | Yes | 69.6 | 46.4 | Reference | 77.4 | 46.4 | Reference | No | 70.6 | 51.8 | 0.425 | 90.8 | 86.6 | <0.001 |
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OS, overall survival; DSS, disease-specific survival; PMM, primary malignant melanoma; NOS, not otherwise specified; LMM, lentigo malignant melanoma; SSM, superficial spreading melanoma; NM, nodular melanoma; AJCC, American Joint Committee on Cancer. Bold letters indicate statistical significance compared with references ( ). ; ; . |