Table 2 Spearman correlation (ρ) between measures of degradation index and count of markers of the PowerPlex Y23 and PowerPlex Fusion 6C Systems, from pre and post vasectomy samples (90 individuals).

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

Semen samples

Number of genetic markers

PowerPlex Y23 and PowerPlex Fusion 6C Systems

ρ

p-valor

Pre vasectomy

23

− 0.22

0.038

27

− 0.33

0.002

Post vasectomy

23

− 0.30

0.004

27

− 0.27

0.009

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