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Table 2 Patient characteristics and the correlation between clinical factors and RHT

From: Development of a normal tissue complication probability (NTCP) model for radiation-induced hypothyroidism in nasopharyngeal carcinoma patients

   Univariate Multivariate
Variables n(%) p value p value OR 95% CI
Numbers 174     
Gender   0.005 0.005 3.598 1.461–8.865
 Female 45 (25.9)     
 Male 129 (74.1)     
Age (years)   0.066    
 Median 49.5     
 Range 16–69     
T stage   0.170    
 1–2 64 (36.8)     
 3–4 110 (63.2)     
N stage   0.329    
 0 16 (9.2)     
 1–3 158 (90.8)     
Stage   0.174    
 I-II 20 (11.5)     
 III-IV 154 (88.5)     
Technique   0.393    
 3D-CRT 32 (18.4)     
 IMRT 142 (81.6)     
Chemotherapy   0.091 0.011 18.213 1.920–172.766
 No 19 (10.9)     
 Yes 155 (89.1)     
  1. Abbreviation: OR odds ratio, CI confidence interval