Table 1 Spearman correlation (ρ) between measures of DNA concentration and count of markers of PowerPlex Y23 and PowerPlex Fusion 6C Systems from pre- and post-vasectomy stain samples (90 individuals).

From: Systematic STR analysis of old post-vasectomy seminal fluid stains to examine evidence stored for 16 years

Semen stain samples

Number of genetic markers

PowerPlex Y23 and PowerPlex Fusion 6C Systems

ρ

p-valor

Pre vasectomy

23

0.23

0.047

27

0.10

0.402

Post vasectomy

23

0.25

0.029

27

0.29

0.009

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