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Table 1 Baseline characteristics of the 470 patients with nasopharyngeal carcinoma

From: Significant value of 18F-FDG-PET/CT in diagnosing small cervical lymph node metastases in patients with nasopharyngeal carcinoma treated with intensity-modulated radiotherapy

Characteristic Number of patients Percentage (%)
Gender
 Male 358 76.2
 Female 112 23.8
Smoking
 Yes 170 36.2
 No 300 63.8
Alcohol consumption
 Yes 60 12.8
 No 410 87.2
Family history of cancer
 Yes 152 32.3
 No 318 67.7
MRI-based stage
 T categorya
  T1 77 16.4
  T2 81 17.2
  T3 239 50.9
  T4 73 15.5
 N categorya
  N0 81 17.2
  N1 279 59.4
  N2 71 15.1
  N3 39 8.3
 Overall stagea
  I 28 6.0
  II 98 20.9
  III 239 50.9
  IVa–b 105 22.2
Chemotherapy
 No 68 14.5
 Neoadjuvant alone 50 10.6
 Concurrent alone 146 31.1
 Induction plus concurrent 206 43.8
Treatment failure
 Death 70 14.9
 Distant metastasis 59 12.6
 Locoregional recurrence 42 8.9
  1. MRI magnetic resonance imaging
  2. aAccording to the 8th UICC/AJCC staging system