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Table 7 Cox regression analysis of the un- and multivariate-adjusted model of all-cause and cardiac mortality prediction by QTc > ULN in different QTc intervals in males

From: The best QT correction formula in a non-hospitalized population: the Fasa PERSIAN cohort study

 

Unadjusted

Multivariate-adjusted

All-cause mortality

Cardiac mortality

All-cause mortality

Cardiac mortality

HR

95%CI

p value

HR

95%CI

p value

HR

95%CI

p value

HR

95%CI

p value

QTcB

3.02

1.41–6.49

0.004

4.31

1.73–10.74

0.002

2.36

1.06–5.28

0.036

2.92

1.09–7.78

0.032

QTcFri

2.63

1.18–5.89

0.018

2.67

0.92–7.76

0.070

2.52

1.13–5.64

0.025

2.46

0.85–7.19

0.096

QTcFra

3.20

1.49–6.87

0.003

2.77

0.95–8.05

0.060

3.08

1.43–6.62

0.004

2.59

0.89–7.54

0.081

QTcH

1.84

0.73–4.67

0.195

1.97

0.59–6.59

0.266

1.92

0.75–4.90

0.171

2.08

0.62–6.99

0.236

QTcR

3.13

1.46–6.71

0.003

2.70

0.93–7.85

0.067

2.84

1.32–6.09

0.007

2.32

0.80–6.40

0.122

QTcD

3.08

1.43–6.60

0.004

2.66

0.91–7.72

0.072

2.65

1.23–5.72

0.013

2.09

0.71–6.10

0.179

  1. ULN upper limit of normal, HR Hazard ratio, CI confidence interval, statistically significant HRs are bolded. QTc Corrected QT interval, Bazett’s correction formula (QTcB), Fridericia’s correction formula (QTcFri), Dmitrienko’s correction formula (QTcD), Framingham’s correction formula (QTcFra), Hodges’s correction formula (QTcH), Rautaharju’s correction formula (QTcR). Multivariate-adjust was done with age and heart rate
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BMC Cardiovascular Disorders

ISSN: 1471-2261

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