Table 3 Univariate analysis of potential prognostic factors

Gender

0.013

0.018

0.015

  Male

136

65 ± 5

61 ± 5

62 ± 5

  Female

32

40 ± 7

38 ± 6

38 ± 6

Age (y)

0.858

0.868

0.779

  <50

93

58 ± 6

55 ± 5

55 ± 5

  ≥50

75

60 ± 7

57 ± 6

58 ± 7

T- classification

0.795

0.647

0.720

  1 + 2

96

68 ± 9

54 ± 5

55 ± 5

  3 + 4

72

56 ± 5

62 ± 7

62 ± 7

rT- classification

0.057

0.232

0.186

  1

65

65 ± 7

58 ± 6

60 ± 6

  2

103

54 ± 5

53 ± 5

53 ± 5

Time to recurrence

0.38

0.293

0.334

  <36 months

65

66 ± 7

64 ± 7

64 ± 7

  ≥36 months

103

55 ± 5

51 ± 5

52 ± 5

Treatment

0.707

0.749

0.715

  3D-CRT

67

56 ± 7

56 ± 7

56 ± 7

  IMRT

28

55 ± 7

55 ± 7

55 ± 7

  Brachy

20

59 ± 9

47 ± 8

47 ± 8

  Brachy + ER

53

60 ± 7

57 ± 7

58 ± 7

Dose (Gy)

0.304

0.221

0.246

  <60

48

68 ± 9

66 ± 9

66 ± 9

  ≥60

120

56 ± 5

52 ± 5

53 ± 5