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Table 1 Summary characteristics for the patient cohort

From: Radiotherapy is associated with significant improvement in local and regional control in Merkel cell carcinoma

Factor

Value

N

Patient sex

Male

42

 

Female

20

Age at Initial Diagnosis

(years)

Median=74 (Range:47-88)

Immunocompromised at initial diagnosis

Yes

14

 

No

48

Types of immunosuppression

Long-term steroids

8

 

Transplantation

6

Primary site of MCC

Head & Neck

32

 

Upper limb

8

 

Lower limb

9

 

Trunk

3

 

Buttocks

1

 

Not known

9

Primary macroscopic size

(mm)

n=53; Median=15 (range 5-60mm)

Stage

I

38

 

II

4

 

III

20

Lymphadenectomy

Yes

17

 

No

45

Final surgical treatment for primary

Incisional biopsy

3

 

Excisional biopsy

21

 

WLE

29

 

Not applicable

9

Adjuvant RT to the Primary site

Yes

43

 

No

10

 

Not applicable

9

RT to the Regional Node site

Yes

43

No

19

Local recurrence

Yes

9

 

No

53*

Regional recurrence

Yes

16

 

No

46

Distant recurrence

Yes

16

 

No

41

 

Not known

5

Status at Last Follow-up

Alive

22

 

Died of Disease

20

 

Died of other/Unknown

20

  1. *Out of 53 with no local recurrence, 9 unknown primaries are included.