Table 2 Case-Control Match Tolerances.

From: Parental non-hereditary teratogenic exposure factors on the occurrence of congenital heart disease in the offspring in the northeastern Sichuan, China

Match Variables

Value

Fuzzy Match Attempts

Incremental Rejection Percentage

Exact (All Variables)

 

8497.000

98.541

Gestational Age

0.000

8373.000

49.039

Maternal Racial/Ethnic

0.000

4267.000

40.005

Maternal Age of Pregnancy

1.000

2560.000

92.266