A summary of the five linked regions identified in the GERD family collection.

The table shows that suggestive linkage was found on chromosome 5, 6, 16 and 18. Significant linkage was found on chromosome 16. Number of GERD individuals and individuals with unassigned disease status are presented for each family (number of males in parenthesis). The remaining individuals are healthy. The linked region is defined as the utmost markers included in the genetic linkage log of Odds (LOD) score peak while outer markers are defined as the closest genotyped unlinked marker.