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Table 5 Predicted 10-year survival percentages for twelve hypothetical melanoma patients using the MSI, including comparisons with the AJCC Melanoma Patient Outcome Prediction Tool (MPOPT) a

From: Prognostic survival model for people diagnosed with invasive cutaneous melanoma

Characteristic

Estimated survival (%) after ten years

 

Age

Thick (mm)

Site

Ulceration

Positive lymph nodes

Mets

MSI

MPOPTa

1.

35

0.45

Back

No

No

No

98.8 [99–99]

97.5 [97–99]

2.

55

0.45

Back

No

No

No

98.3 [98–99]

97.5 [97–99]

3.

55

1.00

Back

No

No

No

91.7 [91–93]

90.0 [88–92]

4.

75

1.00

Back

No

No

No

89.4 [88–91]

82.8 [78–88]

5.

55

1.45

Back

No

No

No

86.2 [85–88]

83.7 [82–86]

6.

75

1.45

Back

No

No

No

83.0 [81–85]

69.6 [63–77]

7.

75

2.45

Back

No

No

No

74.8 [72–77]

59.6 [51–69]

8.

75

2.45

Back

Yes

No

No

61.4 [58–64]

42.0 [33–54]

9.

75

4.45

Scalp

Yes

No

No

38.9 [34–44]

35.2 [27–47]

10.

85

4.45

Scalp

Yes

No

No

36.3 [31-42]

35.2 [27–47]

11.

75

4.45

Scalp

Yes

Yes

No

14.5 [10–20]

29.1 [22–39]

12.

75

4.45

Scalp

Yes

Yes

Yes

1.7 [1–3]

15.9 [6–44]

  1. Notes: aFor comparison with the MPOPT (http://www.melanomaprognosis.org), Scalp and Back were categories as “Axial”, and positive lymph nodes or metastasis were both considered indicative of “Regional metastasis).