Estimated 10 years survival analysis performed on the patients from Germany with first metastasis at diagnosis adjusted for age, gender and Breslow thickness.

n, number of cases; M, number of metastasis; D, number of deaths; HR, hazard ratio; CI, confidence interval.n：病例数；M：转移灶数量；D：死亡例数；HR：风险比（hazard ratio）；CI：置信区间（confidence interval）。