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Table 1 Clinical characteristics of the 385 patients with nasopharyngeal carcinoma (NPC) who were treated with intensity-modulated radiotherapy (IMRT)

From: Prognostic value of plasma Epstein–Barr virus DNA level during posttreatment follow-up in the patients with nasopharyngeal carcinoma having undergone intensity-modulated radiotherapy

Characteristic No. of patients (%)
Sex
 Man 281 (73.0)
 Woman 104 (27.0)
Age (years)
 ≤ 45 235 (61.0)
 > 45 150 (39.0)
Histological type
 WHO type I 3 (0.8)
 WHO type II/III 382 (99.2)
T categorya
 T1 73 (19.0)
 T2 75 (19.5)
 T3 168 (43.6)
 T4 69 (17.9)
N categorya
 N0 53 (13.8)
 N1 244 (63.4)
 N2 62 (16.1)
 N3 26 (6.7)
Clinical stagea
 I 23 (6.0)
 II 98 (25.4)
 III 172 (44.7)
 IVB 92 (23.9)
Chemotherapy
 No 55 (14.3)
 Yes 330 (85.7)
  1. WHO World Health Organization
  2. aStaged according to the 7th edition of the Union for International Cancer Control and American Joint Committee on Cancer (UICC/AJCC) staging system