Research Article

Multiple Biomarker-Combined Screening for Colorectal Cancer Based on Bisulfate Conversion-Free Detection of Fecal DNA Methylation

Table 5

Sensitivity and specificity of methylated stool DNA among subgroups.

Different groupsSDC2SEPT9SFRP2NDRG4BMP3Combination#

CRC ()No. of positive results1161591061246170
Sensitivity (%)64.44%88.33%58.89%68.89%3.33%94.44%
Adenoma ()No. of positive results11211523123
Sensitivity (%)18.33%35%25%38.33%1.66%38.33%
Polyp ()No. of positive results941555156
Specificity (%)96.7%84.98%98.17%79.85%99.63%79.49%
Normal ()No. of positive results25812083284
Specificity (%)96.03%87.12%96.82%86.8%99.68%86.65%

#Combination: positive methylation of at least one of the five markers (five markers were used in the model: ) was considered high risk for CRC.