Table 1 Baseline Patient Characteristics

Median age/y

59 (17–76)

64 (29–89)

P = .004

Gender(male/female)

30/30

27/18

P = .309

Median KPS

70(30–90)

70(30–100)

P = .040

Maximum dimension

  < 3 cm

11(19.0%)

16(36.4%)

P = .084

  ≥ 3 cm

40(69.0%)

27(61.4%)

Location

  Deep

23(38.3%)

34(75.6%)

P < 0.001

  Superficial

37(61.7%)

11(24.4%)

Radiation therapy

  Yes

33(55.0%)

21(46.7%)

P = .239

  No

18(30.0%)

19(42.2%)

Chemotherapy

  Yes

32(53.3%)

34(75.6%)

P = .002

  No

14(23.3%)

1(2.2%)

Median PFS/m

29.27

44.03

P = .567

Median OS/m

64.17

59.93

P = .883

Survival rate

46.7%

55.6%

P = .367