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Table 6 Copy number variations in laryngeal cancer — multivariable models assessing gender, age, smoking history, and TNM stage

From: Low copy number of mitochondrial DNA (mtDNA) predicts worse prognosis in early-stage laryngeal cancer patients

Characteristics

Copy number <4.02

 

Copy number >5.42

 

OR*(95% CI)

P

OR*(95% CI)

P

Gender

3.48 (0.46-26.59)

0.23

2.45 (0.37-16.42)

0.36

Age, years

1.00 (0.96-1.04)

0.96

1.00 (0.96-1.05)

0.87

Smoking history1

0.39 (0.13-1.17)

0.09

0.27 (0.09-0.80)

0.02

TNM stage2

1.62 (1.09-2.41)

0.02

1.12 (0.76-1.65)

0.57

  1. *OR: odds ratio with 95% confidence interval; 1Smoking history (at least 10 pack-years); 2TNM stage (I; II; III; IV); The cases with 4.02-5.42 mtDNA copies were used as reference.