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A and B, Association between the genetic risk scores, GRS22 and GRSNOS1AP, and the QTc-interval in LQT2 patient Set 1 and Set 2 combined (n=639; GRS22: P=4.3×10−6; GRSNOS1AP: P=4.2×10−7). C and D, Analysis of the relation between the genetic risk scores, GRS22 and GRSNOS1AP, and event-free survival in LQT2 patient Set 1 and Set 2 combined (n=639; GRS22: P=0.192, GRSNOS1AP: P=0.119). Q1 is the quartile with the lowest genetic risk score.
