Table 3.

Multivariate Cox regression analysis of the effect of various factors on DSS—effect of SLN status (n = 277)

Prognostic factorχ2Risk ratioP
Multimarker index9.311.290.002
Ulceration6.841.880.009
SLN status4.871.710.03
Clark level3.331.390.07
Tumor thickness2.811.340.09
Sex0.901.270.34
Age0.641.060.42
Site0.421.160.52