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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.