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Table 2 Characteristics of each included publications

From: Evaluation of the prognostic impact of postoperative adjuvant radiotherapy on head and neck mucosal melanoma: a meta-analysis

Head and neck mucosal melanoma

Trial & year

Diagnose year

Number

Interventions

Average age(year)a

Follow-up(month)

Jethanamest D(2011) [6]

1973-2007

totle815b

Surgery only

68.7(17–100)

ungiven

   

S + R

  

Benlyazid A(2010) [11]

1980-2008

82

Surgery only

67(30–97)

65.2mon

  

78

S + R

  

Owens JM(2003) [16]

1986-1998

20

Surgery only

55.5(3mon-88y)

ungiven

  

24

S + R

  

Krengli M(2006) [14]

1972-2002

17

Surgery only

66(40–87)

38(1–207)mon

  

42

S + R

  

Meleti M(2008) [21]

1976-2006

19

Surgery only

63.7(31–91)

27.8(2–80)mon

  

19

S + R

  

Temam S(2005) [15]

1979-1997

30

Surgery only

58(21–90)

45.6(8–384)mon

  

39

S + R

  

Sinonasal melanoma

Gal TJ(2011) [7]

2000-2007

128

Surgery only

72.1

ungiven

  

117

S + R

  

Thariat J(2011) [10]

1991-2006

13

Surgery only

73

39(1–181)mon

  

10

S + R

  

Roth TN(2010) [12]

1992-2007

12

Surgery only

71(40–94)

(7–132)mon

  

13

S + R

  

Brandwein MS(1997) [17]

1977-1995

17

Surgery only

65(23–83)

59(1–217)mon

  

8

S + R

  

Cheng YF(2007) [13]

1982-2002

totle23b

Surgery only

68.2(35–87)

3-132mon

   

S + R

  

Sun CZ(2014) [20]

1976-2005

18

Surgery only

55(2–79)

6-114mon

  

13

S + R

  
  1. S + R:postoperative radiotherapy
  2. aAge at first diagnosis
  3. bstudies that cannot separate the surgery only group from the postoperative radiotherapy group in number