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Table 1 Clinical characteristics of the 358 patients with locally advanced nasopharyngeal carcinoma (NPC)

From: Prognostic value and predictive threshold of tumor volume for patients with locally advanced nasopharyngeal carcinoma receiving intensity-modulated radiotherapy

Characteristic

No. of patients

Percentage (%)

Age (years)

 <50

232

64.8

 ≥50

126

35.2

Sex

 Male

255

71.2

 Female

103

28.8

T categorya

 T3

64

17.9

 T4

294

82.1

N categorya

 N0

66

18.4

 N1

113

31.6

 N2

118

33.0

 N3

61

17.0

Tumor volume (mL)

 ≤46.4

219

61.2

 >46.4

139

38.8

WHO histological type

 I

25

7.0

 II–III

333

93.0

Chemotherapy

 None

21

5.9

 Concurrent or NACT or adjuvant

47

13.1

 Concurrent + NACT

39

10.9

 Concurrent + adjuvant

10

2.8

 NACT + adjuvant

92

25.7

 NACT + concurrent + adjuvant

149

41.6

Prescribed total dose (Gy)

 <73.92 

111

31.0

 ≥73.92 

247

69.0

  1. WHO World Health Organization, NACT neoadjuvant chemotherapy
  2. aThe 7th American Joint Committee on Cancer (AJCC) staging system was used for T and N classification