Table 1 Clinical parameters and overall survival- univariable analysis

From: Histological pattern of Merkel cell carcinoma sentinel lymph node metastasis improves stratification of Stage III patients

Factor

N

2-Year survival±s.e.m.

Median

Pa

Gender

 Male

41 (65%)

63%±8%

44

 

 Female

24 (35%)

71%±10%

66

0.41

Age at Diagnosis

 Total

 <70

(51–90 years)

31

77%±8%

70 years

N/A

 

 >70

32

56%±9%

34

0.004

Location

 Head/neck

20 (31%)

48%±12%

23

 

 Extremities

29 (46%)

76%+9%

107

 

 Other

15 (23%)

70%+13%

107

0.09

No. positive sentinel lymph nodes

 1

47

71%±7%

73

 

 2

11

63%±18%

42

 

 >2

4

0%

4

<0.0001b

Sentinel lymph node pattern

 1

38

61%±9%

35

 

 2

4

100%

N/A

 

 3

11

73%+13%

N/A

 

 4

1

100%

N/A

 

 5

10

53%±20%

N/A

0.28

 1

38

61%±9%

35

 

 2–5

26

73%+9%

N/A

0.03

Extracapsular extension (pattern 1)

 No

10

70%±14%

107

 

 Yes

15

56%±14%

26

0.27

Immunosuppressed

 No

47

78%±7%

73

 

 Yes

14 (23%)

40%±14%

19

0.12

  1. Abbreviation: N/A, not applicable.
  2. aLogrank test unless otherwise noted.
  3. bLogrank test for trend.