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Table 3.

Radiation therapy and saliva mtDNA change: log (post) − log (pre)

mtDNARadiationnMean (SD)95% CIMinMaxP
Cox I No 28 0.1 (1.17) −0.35 to 0.56 −2.76 2.21  
 Yes 47 −0.41 (0.8) −0.64 to −0.17 −2.62 1.17 0.03 
Cox II No 28 −0.01 (1.15) −0.46 to 0.43 −2.99 2.17  
 Yes 47 −0.51 (0.93) −0.78 to −0.24 −3.04 2.04 0.05 
mtDNARadiationnMean (SD)95% CIMinMaxP
Cox I No 28 0.1 (1.17) −0.35 to 0.56 −2.76 2.21  
 Yes 47 −0.41 (0.8) −0.64 to −0.17 −2.62 1.17 0.03 
Cox II No 28 −0.01 (1.15) −0.46 to 0.43 −2.99 2.17  
 Yes 47 −0.51 (0.93) −0.78 to −0.24 −3.04 2.04 0.05 

NOTE: P values from regression analysis comparing means.

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