KCNQ1 and diabetes mellitus: The sample size of the PaC cases and controls without diabetes (448 cases and 557 controls), was likely underpowered as well, but our findings on DGKB-TMEM195 rs2191348, KCNQ1 rs231362, ADCY5 rs2877716 and BCL11A rs243021 may warrant further evaluation from larger studies.