Table 1 The upper part of the table shows a summary of the Patient and lesion-level characteristics of the training set.

From: BCN20000: Dermoscopic Lesions in the Wild

Training patient-level characteristics

 

NV

MEL

SCC

BKL

BCC

AK

DF

VASC

Total

Patient

4206 (34%)

2857 (23%)

431 (3%)

1138 (9%)

2809 (23%)

737 (6%)

124 (1%)

111 (1%)

12413 (100%)

Male

1946 (46%)

1465 (51%)

295 (68%)

625 (55%)

1683 (60%)

367 (50%)

59 (48%)

59 (53%)

6499 (52%)

Female

2219 (53%)

1379 (48%)

136 (32%)

502 (44%)

1120 (40%)

367 (50%)

65 (52%)

52 (47%)

5840 (47.5%)

Not-reported

41 (1%)

13 (1%)

0 (0%)

11 (1%)

6 (1%)

3 (1%)

0 (0%)

0 (0%)

74 (0.5%)

Age

43.4 ± 16

60.5 ± 16

72 ± 11

62.6 ± 15

65.5 ± 15

67.8 ± 13

50.4 ± 17

55.6 ± 17

56.8 ± 18

Lesion ___location

Anterior torso

2346 (56%)

1127 (39%)

97 (23%)

292 (25%)

1049 (37%)

91 (12%)

39 (31%)

45 (40%)

5086 (41%)

Up. extremity

400 (9%)

380 (13%)

57 (13%)

78 (7%)

307 (14%)

62 (8%)

28 (23%)

7 (6%)

1319 (10%)

Lo. extremity

810 (19%)

489 (17%)

126 (29%)

206 (18%)

400 (11%)

57 (8%)

54 (44%)

31 (28%)

2173 (17%)

Head/neck

413 (10%)

635 (22%)

132 (31%)

523 (46%)

997 (36%)

500 (69%)

0 (0%)

23 (21%)

3233 (26%)

Palms/soles

156 (4%)

195 (7%)

13 (3%)

7 (1%)

0 (0%)

6 (1%)

0 (0%)

3 (3%)

380 (3%)

Oral/genital

24 (1%)

19 (1%)

0 (0%)

14 (1%)

0 (0%)

0 (0%)

0 (0%)

2 (2%)

59 (1%)

Not-reported

57 (1%)

12 (1%)

6 (1%)

18 (2%)

56 (2%)

21 (2%)

3 (2%)

0 (0%)

173 (2%)

Test Unknown subclass distribution

 

Nonprimary mel

Benign neoplasm

Scar

Infla-mmatory

Normal variant

Infectious disease

Other

  

Count

632 (30.98%)

422 (20.69%)

395 (19.36%)

375 (18.38%)

116 (5.69%)

68 (3.33%)

32 (1.57%)

  
  1. The different classes are Nevus (NV), Melanoma (MEL), Squamous carcinoma (SCC), Basal cell carcinoma (BCC), Benign Keratosis (BKL), Dermatofibroma (DF), Actinic keratosis (AK) and Vascular (VASC). The lower section details the subclass distribution within the ‘Unknown’ category for the test set.