Table 4 Univariate analysis of factors associated with disease-specific survival in the acral melanoma cohort.

From: Acral Melanoma in Chinese: A Clinicopathological and Prognostic Study of 142 cases

Characteristics

No. Pts

No. of DOD (%)

P value*

All patients

142

83 (58.5)

 

Sex

 Male

84

48 (57.1)

 

 Female

58

35 (60.3)

0.512

Age, years

 <55

41

26 (63.4)

 

 ≥55

101

57 (56.4)

0.732

Trauma history

 Yes

8

5 (62.5)

 

 No

134

78 (58.2)

0.486

Longest diameter of lesion, cm

 ≤2

72

42 (58.3)

 

 >2

70

41 (58.6)

0.492

Duration of the lesion, years

 ≤2.5

88

61 (69.3)

 

 >2.5

54

22 (40.7)

<0.001

Site of lesion

 Nonungual location

119

68 (57.1)

 

 Subungual location

23

15 (65.2)

0.895

Histologic subtype

 ALM

122

67 (54.9)

 

 Other

20

16 (80.0)

0.081

Breslow thickness, mm

 ≤4.0

83

35 (42.2)

 

 >4.0

59

48 (81.4)

<0.001

Clark level

 I/II/III

14

2 (14.3)

 

 IV/V

128

81 (63.3)

0.009

Ulceration

 Yes

68

54 (79.4)

 

 No

74

29 (39.2)

<0.001

Mitotic rate, mm−2

 ≤15

131

73 (55.7)

 

 >15

11

10 (90.9)

<0.001

TILs

 Absent

46

21 (45.7)

 

 Present

96

62 (64.6)

0.155

Vascular invasion

 Absent

139

80 (57.6)

 

 Present

3

3 (100.0)

0.002

Regional lymph node metastasis at diagnosis

 Yes

46

39 (84.8)

 

 No

96

44 (45.8)

<0.001

Pathologic stage

 0/I

20

1 (5.0)

 

 II/III/IV

122

82 (67.2)

<0.001

  1. *Log-rank test; DOD, died of disease.