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Table 3 IMT measurement in irradiated and non-irradiated patients

From: Effects of external irradiation of the neck region on intima media thickness of the common carotid artery

Groups No. of measurements Mean (mm) SD Maximum (mm) Minimum (mm) t-test p-value
All subjects       
   Irradiated 31 0.59 0.16 1.12 0.42 0.42
   Non-irradiated 38 0.56 0.16 0.97 0  
Sex       
Female       
   Irradiated 14 0.57 0.13 0.83 0.43 0.55
   Not-irradiated 18 0.61 0.16 0.97 0.42  
Male       
   Irradiated 17 0.61 0.19 1.12 0.42 0.1
   Non-irradiated 20 0.51 0.15 0.79 0  
Age       
≤ 52 years       
   Irradiated 17 0.54 0.08 0.68 0.43 0.14
   Non-irradiated 22 0.49 0.14 0.79 0  
≥ 53 years       
   Irradiated 14 0.65 0.22 1.12 0.42 0.92
   Non-irradiated 16 0.66 0.13 0.97 0.52  
Risk factors       
No risk factors       
   Irradiated 6 0.54 0.09 0.68 0.43 0.73
   Non-irradiated 12 0.50 0.25 0.97 0  
At least a risk factor       
   Irradiated 25 0.60 0.18 1.12 0.42 0.64
   Non-irradiated 26 0.59 0.09 0.79 0.43