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. Author manuscript; available in PMC: 2015 Jul 1.
Published in final edited form as: Heart Rhythm. 2014 Apr 13;11(7):1170–1175. doi: 10.1016/j.hrthm.2014.04.016

Figure 1. Relative risk of recurrent cardiac events in LQTS females using versus not using Oral contraceptive therapy in different LQTS subsets.

Figure 1

Abbreviations: LQTS: Long QT syndrome; LQT1: LQTS genotype 1; LQT2: LQTS genotype2; Events: total number of recurrent cardiac events (syncope or aborted cardiac arrest) at the end of follow-up; Pts: number of patients; QTc: first measurement recorded in LQTS Registry; Cardiac events: reflects the occurrence of cardiac events prior to menarche, HR: adjusted hazard ratios for variables described in the text, see Methods for more details; CI: confidence interval.

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