Table 2 Proportional subdistribution hazards models of probabilities of death

Age

0.018

-

< 0.001

0.06

-

< 0.001

Age’

0.001

-

0.85

0.032

-

< 0.001

Thick

1.71

-

< 0.001

-

-

-

Thick’

−3.659

-

< 0.001

-

-

-

Female

−0.234

0.79 (0.72 to 0.87)

< 0.001

−0.359

0.70 (0.64 to 0.76)

< 0.001

Non-white

0.601

1.82 (1.43 to 2.32)

< 0.001

−0.583

0.56 (0.34 to 0.92)

0.02

Melanoma subtype

-

-

-

-

-

-

 Nodular melanoma

0.341

1.41 (1.21 to 1.63)

< 0.001

-

-

-

 Lentigo maligna melanoma

−0.114

0.89 (0.68 to 1.17)

0.41

-

-

-

 Malignant melanoma, NOS

0.213

1.24 (1.10 to 1.40)

< 0.001

-

-

-

 Other melanomas

0.272

1.31 (1.10 to 1.57)

< 0.001

-

-

-

Anatomic sites

-

-

-

-

-

-

 Trunk

0.23

1.26 (1.13 to 1.40)

< 0.001

-

-

-

 Face and ears

0.277

1.32 (1.14 to 1.52)

< 0.001

-

-

-

 Scalp and neck

0.503

1.65 (1.41 to 1.94)

< 0.001

-

-

-

Ulceration (present)

0.683

1.98 (1.77 to 2.22)

< 0.001

-

-

-

Lymph node status

-

-

-

-

-

-

 N1

1.051

2.86 (2.49 to 3.29)

< 0.001

−0.201

0.82 (0.64 to 1.05)

0.11

 N2

1.228

3.41 (2.88 to 4.04)

< 0.001

−0.16

0.85 (0.62 to 1.14)

0.29

 N3

1.739

5.69 (4.54 to 7.12)

< 0.001

−0.58

0.56 (0.33 to 0.95)

0.03