p-value

Age

Mean in years (range)

47 (7-94)

51 (10-93)

0.060*

Sex

Male

68 (36%)

60 (52%)

0.004

Female

120 (64%)

55 (48%)

Clinical diagnosis

Nevocellular nevus

119 (63.5%)

44 (38.3%)

< 0.0001

Fibroma

10 (5.3%)

1 (0.9)

Wart

4 (2.1%)

0 (0%)

Seborrhoic keratosis

7 (3.7%)

4 (3.5)

Melanoma

27 (14.4%)

52 (45.2%)

No diagnosis

12 (6.4%)

13 (11.3%)

Localisation

Head/neck

2 (1.1%)

8 (7.0%)

<0.0001

Extremities

108 (57.1%)

46 (40.4)

Trunk

69 (36.5%)

44 (38.6%)

Hand/feet

5 (2.6%)

6 (5.3%)

Face

1 (0.5%)

10 (8.8%)

Type

In situ

9 (4.8%)

2 (1.7%)

<0.0001

Superficial spreading

126 (67%)

84 (73%)

Nodular

51 (27%)

15 (13%)

Lentigo malignant

0

8 (7.0%)

Acrolentiginous

0

3 (2.6%)

Spindle cell

1 (0.5%)

2 (1.7%)

Breslow

Mean in mm (range)

1.51 (0-6.9)

1.80 (0-10)

0.196*

Clark level

I

12 (6.3%)

8 (7.0%)

<0.0001

II

58 (30.7%)

34 (29.6%)

III

94 (49.7%)

27 (23.5%)

IV

24 (12.7%)

43 (37.4%)

V

1 (0.5%)

3 (2.6%)

Radical excision

Yes

101 (56.7%)

89 (87.3%)

<0.0001

No

77 (43.3%)

13 (12.7)