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Table 1 Patient and disease characteristics

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

Patient and Disease Characteristics No (%)
Age Median (range) 48.5 (18–80)
Gender
 Male 177 (77)
 Female 53 (23)
Histology
 WHO type 1 3 (1.3)
 WHO type 2.1 undifferentiated 77 (33.6)
 WHO type 2.2 differentiated 112 (48.7)
 WHO type 2 NOS 37 (16.1)
 WHO type 3 basaloid 1 (0.4)
AJCC 7th Stage
 I/II/III/IV 30 (13)/77 (33.5)/78 (33.9)/45 (19.6)
T stage
 1/2/3/4 106 (46.1)/61 (26.5)/34 (14.8)/29 (12.6)
N stage
 0/1/2/3 59 (25.7)/86 (37.4)/66 (28.4)/19 (8.3)
RT modality
 HT 155 (67.4)
 VMAT 75 (32.6)
Treatment factors
 RT alone 38 (16.5)
 NACT+RT/NACCRT 169 (73.5)
 CCRT 23 (10)
Sinusitis
 Pre-radiation sinusitis
  No 105 (45.7)
  Yes 125 (54.3)
 Post-radiation sinusitis
  No 123 (53)
  Yes 107 (47)
  1. Abbreviations: VMAT volumetric modulated arc therapy, HT helical tomotherapy, NACT neoadjuvant chemotherapy, NACCRT neoadjuvant chemotherapy followed by concurrent chemoradiotherapy, CCRT concurrent chemoradiotherapy