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Table 1 Association of clinicopathological features with metastasis of NPC

From: Intensity-modulated radiotherapy controls nasopharyngeal carcinoma distant metastasis and improves survival of patients

Clinical characteristics

Metastasis

Total

p value

Yes

No

All cases

91

439

530

 

Age (years)

   

0.250

 ≥44

52

222

274

 

 <44

39

217

256

 

Gender

   

0.530

 Male

70

324

394

 

 Female

21

115

136

 

WHO histology

   

0.960

 Grade I–II

46

223

269

 

 Grade III

45

216

261

 

2010UICC/AJCC T staging

   

0.034*

 T1

5

59

64

 

 T2

24

131

155

 

 T3

28

140

168

 

 T4

34

109

143

 

2010UICC/AJCC N staging

   

<0.001*

 N0

3

65

68

 

 N1

24

170

194

 

 N2

57

184

241

 

 N3

7

20

27

 

2010UICC/AJCC staging

   

<0.001*

 I

0

21

21

 

 II

9

105

114

 

 III

42

189

231

 

 IVA–B

40

124

164

 

Treatment modality

   

0.075

 Radiotherapy alone

5

52

57

 

 Chemoradiotherapy

86

387

473

 

Recurrence

   

0.029*

 Yes

15

39

54

 

 No

76

400

476

 
  1. *p<0.05