Sex Differences in Loss in Life Expectancy in Primary Cutaneous Melanoma, a Swedish Cohort Study

Authors

  • Anna Oksanen Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden
  • Elisavet Syriopoulou Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden
  • Kari Nielsen Department of Dermatology, Skåne University Hospital, Lund, Sweden; Department of Clinical Sciences, Dermatology, Lund University Skin Cancer Research Group, and Lund Melanoma Study Group, Lund University, Lund, Sweden
  • Hanna Eriksson Department of Oncology and Pathology, Karolinska Institutet, Stockholm, Sweden; Theme Cancer, Unit of Head-Neck-, Lung- and Skin Cancer, Skin Cancer Center, Karolinska University Hospital, Stockholm, Sweden https://orcid.org/0000-0001-6728-5344
  • Therese Andersson Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden

DOI:

https://doi.org/10.2340/actadv.v106.adv-2025-0227

Keywords:

Cutaneous malignant melanoma, Life Expectancy, Mortality

Abstract

Sex differences in cutaneous melanoma (CM) survival are pronounced. It is unclear how these differences impact the loss in life expectancy (LLE). A population-based cohort from the Swedish Melanoma registry was used to analyze sex differences in life expectancy (LE) and LLE following a CM diagnosis. The cohort included 12 ,893 men and 12 ,572 women aged 40 years or above diagnosed with a first invasive CM in Sweden between 2000 and 2014. The average remaining LE at CM diagnosis was 15.45 years (95% CI 15.21, 15.7) for men and 20.14 years (95% CI 19.89, 20.43) for women, and the LLE was 2.95 years (95% CI 2.70, 3.19) and 2.4 years (95% CI 2.11, 2.67), respectively. If men had the same relative survival as women, the average LE for men would instead be 17.33 years (95% CI 17.03, 17.65) and the LLE 1.07 years (95% CI 1.07, 1.38). Men lose more years due to CM than women. Baseline age, stage or location are not sufficient to explain the sex differences.

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References

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Additional Files

Published

2026-04-20

How to Cite

Oksanen, A., Syriopoulou, E., Nielsen, K., Eriksson, H., & Andersson, T. (2026). Sex Differences in Loss in Life Expectancy in Primary Cutaneous Melanoma, a Swedish Cohort Study. Acta Dermato-Venereologica, 106, adv–2025. https://doi.org/10.2340/actadv.v106.adv-2025-0227