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Table 3 Partial correlation between free DNA concentrations (ng/ml) and age/recurrence time (controlled for gender)

From: Circulating free DNA concentration as a marker of disease recurrence and metastatic potential in lung cancer

  cfDNA concentration (MN kit) (ng/ml) cfDNA concentration (QIAGEN kit) (ng/ml)
R P value R P value
Age − 0.23 0.06 − 0.18 0.12
Recurrence time − 0.05 0.4 − 0.19 0.2