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Table 2 Self-report survey variables crosstabulated by Melanoma type and depth

From: Patient-identified early clinical warning signs of nodular melanoma: a qualitative study

Variable, % (n)

Nodular Melanoma

Superficial Spreading Melanoma

≤ 2 mm (n = 16)

>  2 mm (n = 18)

≤ 2 mm (n = 23)

>  2 mm (n = 9)

Physical signs in 12 months pre- diagnosis (checked all that applya)

 Itching

12.5 (2)

22.2 (4)

17.4 (4)

44.4 (4)

 Bleeding

12.5 (2)

22.2 (4)

17.4 (4)

44.4 (4)

 Irritationb

12.5 (2)

33.3 (6)

4.3 (1)

66.7 (6)

 Tendernessb

0.0 (0)

38.9 (7)

4.3 (1)

55.6 (5)

 Painb

6.3 (1)

33.3 (6)

4.3 (1)

55.6 (5)

 Discharge

0.0 (0)

5.6 (1)

4.3 (1)

11.1 (1)

 Peeling

0.0 (0)

33.3 (6)

4.3 (1)

11.1 (1)

Who discovered the melanoma?

 Self or partner

50.0 (8)

76.5 (13)

39.1 (9)

87.5 (7)

 Friend or colleague

0.0 (0)

11.8 (2)

8.7 (2)

0.0 (0)

 Primary care physician

12.5 (2)

0.0 (0)

13.0 (3)

0.0 (0)

 Nurse or physician assistant

0.0 (0)

0.0 (0)

4.3 (1)

0.0 (0)

 Dermatologist

31.3 (5)

5.9 (1)

26.1 (6)

0.0 (0)

 Another professional

6.3 (1)

5.9 (1)

8.7 (2)

12.5 (1)

Confidence differentiating healthy and problematic moles?

 Not at all confident

25 (4)

44.4 (8)

17.4 (4)

33.3 (3)

 A little confident

18.8 (3)

22.2 (4)

47.8 (11)

33.3 (3)

 Somewhat confident

18.8 (3)

11.1 (2)

13.0 (3)

22.2 (2)

 Quite confident

31.3 (5)

16.7 (3)

13.0 (3)

11.1 (1)

 Extremely confident

6.3 (1)

5.6 (1)

8.7 (2)

0.0 (0)

“I am someone who pays attention to my health”

 Disagree

0.0 (0)

5.6 (1)

0.0 (0)

22.2 (2)

 Neither agree or disagree

12.5 (2)

22.2 (4)

17.4 (4)

0.0 (0)

 Agree

31.3 (5)

50.0 (9)

39.1 (9)

33.3 (3)

 Strongly agree

56.3 (9)

22.2 (4)

43.5 (10)

44.4 (4)

  1. aThe percentages do not add to 100% within each thickness group because the respondents were instructed to select all of the symptoms they had experienced from a list of possible symptoms
  2. bWe found statistically significant differences between the four thickness groups