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. Author manuscript; available in PMC: 2011 Jan 1.
Published in final edited form as: Am J Cardiol. 2009 Oct 23;105(1):87. doi: 10.1016/j.amjcard.2009.08.657

Table 3.

Cox model for mortality after 40 years of age in patients with Long QT Syndrome (QTc≥ 450ms).

Factor HR 95% CI P Value
Time-dependent diabetes 2.31 1.21–4.72 <0.01
Time-dependent syncope 1.69 1.03–2.87 <0.05
QTc ≥500 ms 1.52 1.00–2.30 <0.05
RR<740ms 1.63 1.07–2.49 <0.05