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Table 1 Patients' characteristics

From: Weak expression of cyclooxygenase-2 is associated with poorer outcome in endemic nasopharyngeal carcinoma: analysis of data from randomized trial between radiation alone versus concurrent chemo-radiation (SQNP-01)

Characteristic Patients with COX-2 IHC No. (%) (N = 58) Patients without COX-2 IHC No. (%) (N = 163) P
Age (years)    
Median (Range) 44 (30–74) 46 (14–76) 0.594
Sex    
Male 49 (84.5%) 131 (80.4%)  
Female 9 (15.5%) 32 (19.6%) 0.559
T status    
1 9 (15.5%) 19 (11.7%)  
2 13 (22.4%) 52 (31.9%)  
3 17 (29.3%) 48 (29.5%)  
4 19 (32.8%) 44 (27.0%) 0.497
N status    
0 4 (6.9%) 19 (11.7%)  
1 10 (17.2%) 18 (11.0%)  
2 23 (39.7%) 85 (52.2%)  
3 21 (36.2%) 41 (25.2%) 0.143
TNM stage    
II - 1 (0.6%)  
III 25 (43.1%) 80 (49.1%)  
IV 33 (56.9%) 82 (50.3%) 0.592
Treatment    
RT 27 (46.6%) 83 (50.9%)  
CRT 31 (53.4%) 80 (49.1%) 0.647
  1. Abbreviations: COX-2, cyclooxygenase-2; IHC, immunohistochemistry; RT, radiation; CRT, chemo-radiation.