Table 1 Characteristics of patients with basal cell carcinoma.

From: Basal cell carcinoma of the scalp shows distinct features from the face in Asians

 

H&N

Extra-H&N

p-valueb

Total (n = 734)

Face (n = 565)

Scalp (n = 97)

Total (n = 662)

p-valuea

Trunk (n = 51)

Extremities (n = 17)

Genitalia (n = 4)

Total (n = 72)

Sexc

269 (47.6)

26 (26.8)

295 (44.6)

 < 0.001*

26 (51.0)

12 (70.6)

0 (0.0)

38 (52.8)

0.184

333 (45.4)

Age (years)

70.6 ± 12.0

67.9 ± 13.5

70.2 ± 12.2

0.046*

63.2 ± 14.7

68.1 ± 14.5

64.5 ± 17.4

64.5 ± 14.7

0.003*

69.7 ± 12.6

Tumor size (cm)

0.8 ± 0.5

1.2 ± 0.8

0.9 ± 0.6

 < 0.001*

1.4 ± 1.0

1.0 ± 0.5

0.9 ± 0.6

1.3 ± 0.9

 < 0.001*

0.9 ± 0.6

Invasion depth (mm)

2.0 ± 1.4

2.0 ± 1.9

2.0 ± 1.5

0.785

2.4 ± 4.4

1.5 ± 0.9

1.8 ± 1.7

2.1 ± 3.8

0.077

2.0 ± 1.8

Subcutaneous tissue involvement

96 (17.0)

9 (9.3)

105 (15.9)

0.055

4 (7.8)

0 (0.0)

0 (0.0)

4 (5.6)

0.020*

109 (14.9)

Lymphovascular invasion

7 (1.2)

0 (0.0)

7 (1.1)

0.602

1 (0.2)

0 (0.0)

0 (0.0)

1 (1.4)

0.564

8 (1.1)

Perineural invasion

5 (0.9)

0 (0.0)

5 (0.8)

1.000

0 (0.0)

0 (0.0)

0 (0.0)

0 (0.0)

1.000

5 (0.7)

Histologic subtype

Nodular

407 (72.0)

63 (64.9)

470 (71.0)

0.155

23 (45.1)

9 (52.9)

3 (75.0)

35 (48.6)

 < 0.001*

505 (68.8)

Superficial

54 (9.6)

25 (25.8)

79 (11.9)

 < 0.001*

21 (41.2)

5 (29.4)

0 (0.0)

26 (36.1)

 < 0.001*

105 (14.3)

Infiltrative

50 (8.8)

1 (1.0)

51 (7.7)

0.008*

3 (5.9)

0 (0.0)

1 (25.0)

4 (5.6)

0.511

55 (7.5)

Mixed

6 (1.1)

2 (2.1)

8 (1.2)

0.332

2 (3.9)

1 (5.9)

0 (0.0)

3 (4.2)

0.084

11 (1.5)

  1. Data are presented as mean ± standard deviation or number (%). p-values were calculated using the Mann–Whitney test and chi-square test for continuous and categorical variables, respectively.
  2. H&N head and neck region.
  3. aComparison between face and scalp lesions.
  4. bComparison between H&N and extra-H&N lesions.
  5. cPercentage of males.
  6. *p < 0.05.
Back to article page