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Table 3 Factors associated with indeterminate (ID) status on first post treatment MRI (ptMRI)

From: Utility of magnetic resonance imaging in determining treatment response and local recurrence in nasopharyngeal carcinoma treated curatively

VariableUnivariate analysis
OR95% CIP
Age1.000.99–1.030.343
Gender:
 Female1.570.89–2.760.119
 Male (Ref)1  
T stage:
 T10.980.54–1.770.934
 T20.880.36–2.150.779
 T31.020.53–1.950.964
 T4 (Ref)1  
N stage:
 N01.380.57–3.330.478
 N11.710.82–3.590.154
 N21.900.91–3.970.087
 N3 (Ref)1  
AJCC Stage:
 Stage I0.740.30–1.810.509
 Stage II1.040.52–2.060.919
 Stage III1.3300.75–20.370.329
 Stage IV (Ref)1  
Treatment modality:
 RT alone0.900.45–1.790.759
 ChemoRT   
Time to first ptMRI (days)
 75–1052.131.16–4.120.024
 106–135 (Ref)1  
  1. OR Odds Ratio, CI Confidence Interval, AJCC American Joint Committee on Cancer, RT Radiotherapy, Ref Reference
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