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Table 1 Baseline characteristics of 400 patients with locoregionally advanced nasopharyngeal carcinoma

From: The impact of smoking on the clinical outcome of locoregionally advanced nasopharyngeal carcinoma after chemoradiotherapy

  Ever 193(48.3%) Never 207(51.8%) P value
Age(yr), median(range) 45(18-63) 41(18-65) 0.969
Gender    <0.001
Female 3(1.6) 84(40.6)  
Male 190(98.4) 123(59.4)  
T stage    
1-2 29(15.0) 28(13.5) 0.668
3-4 164(85.0) 179(86.5)  
N stage    0.541
0-1 92(47.7) 105(50.7)  
2-3 101(52.3) 102(49.3)  
Clinical stage    0.222
3 103(53.4) 123(59.4)  
4 90(46.6) 84(40.6)  
Treatment arm    0.617
IC + CCRT 99(51.3) 101(48.8)  
IC + RT 94(48.7) 106(51.2)  
RT dose(Gy),median(range) 72(68-78) 72(68-78) 0.773
CT course, median(range) 3(1-5) 3(1-5) 0.079
RT interruption    0.936
yes 4(2.1) 3(1.4)  
no 189(97.9) 204(98.6)  
AMT    0.559
1-2 182(93.8) 196(95.1)  
3-4 11(6.2) 10(4.9)  
VCA-IgA    0.833
Positive(≥1:80) 174(90.2) 187(96.6)  
Negative(<1:80) 19(9.8) 19(3.4)  
EA-IgA    0.181
Positive(≥1:10) 151(78.2) 172(83.6)  
Negative(<1:10) 42(21.8) 34(16.4)  
Median follow-up yr, median(range) 6.5(0.2-9.0) 6.9(0.6-9.3) 0.236
  1. Abbreviations: IC + CCRT = induction chemotherapy plus concurrent chemoradiotherapy and IC + RT = induction chemotherapy plus radiotherapy. RT = radiotherapy. CT = chemotherapy. AMT = Acute mucosal toxicity.