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Table 2 Univariate analysis of prognostic factors

From: Post-radiation sinusitis is associated with recurrence in nasopharyngeal carcinoma patients treated with intensity-modulated radiation therapy

 

3 yr. OS (%)

p

3 yr. DFS (%)

p

3 yr. FFLF (%)

p

3 yr. FFDF (%)

p

Gender

 

0.025

 

0.009

 

0.06

 

0.018

 Male

89

 

76.3

 

89

 

84.9

 

 Female

100

 

94.4

 

96.3

 

96.8

 

Age

 

0.049

 

0.049

 

0.108

 

0.18

  < 40y/o

88.9

 

89.9

 

96.3

 

93.7

 

  > 40y/o

88.4

 

76.7

 

88.5

 

85.2

 

T classification

 

0.002

 

< 0.001

 

< 0.001

 

0.012

 T1–3

94

 

84

 

93.8

 

89.4

 

 T4

72.2

 

54.1

 

66.5

 

73.7

 

N classification

 

0.001

 

< 0.001

 

0.654

 

< 0.001

 N0–2

93.1

 

82.8

 

89.8

 

90.2

 

 N3

71.6

 

51.7

 

88.9

 

57.4

 

Chemotherapy

 

0.083

 

0.036

 

0.543

 

0.085

 No

100

 

88.9

 

88.9

 

94.4

 

 Yes

90

 

78.5

 

90.7

 

86.1

 

Pre-radiation sinusitis

 

0.048

 

0.002

 

0.057

 

0.082

 No

96.4

 

89.4

 

93.7

 

91.4

 

 Yes

87.1

 

72.5

 

87.9

 

84.2

 

Post-radiation sinusitis

 

0.008

 

< 0.001

 

< 0.001

 

0.003

 No

97.4

 

92.1

 

97.9

 

94.1

 

 Yes

84.4

 

66.5

 

81.7

 

79.8

 
  1. Abbreviations: p p-value, OS overall survival rate, DFS disease-free survival rate, FFLF freedom from local failure, FFDF freedom from distant failure