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Table 4 Cox proportional hazard survival between non-survivors and survivors in the severe ALQTS group

From: Hospitalized cancer patients with acquired long QT syndrome-a matched case-control study

 Univariate analysisMultivariate analysis
HR (95%CI)P valueHR (95%CI)P value
Male1.793(1.198–2.682)0.0051.643(1.023–2.640)0.040
Age ≥ 70 years1.595 (1.051–2.420)0.0281.034 (0.624–1.715)0.896
Pro-QTc ≥ 4 score1.839 (1.155–2.929)0.0101.090 (0.561–2.116)0.799
Hypokalemia2.403 (1.565–3.689)< 0.0012.315 (1.417–3.781)0.001
Hypocalcemia1.833 (1.136–2.959)0.0131.258 (0.697–2.272)0.446
Renal failure4.405 (2.097–9.252)<  0.0015.358 (1.984–14.473)0.001
Infection1.970 (1.243–3.123)0.0041.423 (0.854–2.373)0.176
Anemia2.388 (1.367–4.169)0.0021.717 (0.837–3.523)0.140
  1. Abbreviations: ALQTS acquired long QT syndrome, HR Hazard Ratio, CI confidence interval