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Table 3 Reported Spearman correlation coefficient for DNA methylation levels in urine or cervicovaginal swab self-samples as compared to clinician-collected cervical scrapes and in urine as compared to cervicovaginal swabs

From: The current state of DNA methylation biomarkers in self-collected liquid biopsies for the early detection of cervical cancer: a literature review

Marker

Sample

Comparator

Spearman Co.

Significance

Study

ASCL1

Urine

LBC

0.42

p < 0.001

Van den Helder, 2022

SST

Urine

LBC

0.46

p < 0.001

Van den Helder, 2022

GHSR

Urine

LBC

0.48

p < 0.001

Van den Helder, 2022

ZIC1

Urine

LBC

0.5

p < 0.001

Van den Helder, 2022

PRDM14

Urine

LBC

0.508

 

Snoek, 2019

LHX8

Urine

LBC

0.52

p < 0.001

Van den Helder, 2022

GHSR

Urine

LBC

0.543

 

Snoek, 2019

LHX8

Swab

LBC

0.55

 

Verhoef, 2023

ASCL1

Swab

LBC

0.56

p < 0.001

Van den Helder, 2022

ASCL1

Swab

LBC

0.563

 

Verhoef, 2023

ZIC1

Swab

LBC

0.59

p < 0.001

Van den Helder, 2022

SST

Swab

LBC

0.6

p < 0.001

Van den Helder, 2022

GHSR

Swab

LBC

0.61

p < 0.001

Van den Helder, 2022

ZIC1

Urine

LBC

0.613

 

Snoek, 2019

SST

Urine

LBC

0.621

 

Snoek, 2019

LHX8

Swab

LBC

0.63

p < 0.001

Van den Helder, 2022

FAM19A4

Urine

LBC

0.674

 

Snoek, 2019

PHACTR3

Urine

LBC

0.717

 

Snoek, 2019

SST

Urine

Swab

0.59

p < 0.001

Van den Helder, 2022

ASCL1

Urine

Swab

0.61

p < 0.001

Van den Helder, 2022

ZIC1

Urine

Swab

0.61

p < 0.001

Van den Helder, 2022

LHX8

Urine

Swab

0.62

p < 0.001

Van den Helder, 2022

GHSR

Urine

Swab

0.65

p < 0.001

Van den Helder, 2022

  1. LBC: liquid based cytology sample