BioMed Research International / 2019 / Article / Tab 3

Research Article

Independent Influence of Blood Pressure on QTc Interval: Results from a General Chinese Population

Table 3

Logistic regression analyses for association between hypertension and prolonged QTc interval.

GroupProlonged QTcModel 1Model 2Model 3
n (%)OR (95% CI)P valueOR (95% CI)P valueOR (95% CI)P value

Total
 Normotension389 (7.5)111
 Hypertension982 (18.4)2.48 (2.17–2.82)< 0.0011.79 (1.55–2.07)< 0.0011.71 (1.48–1.98)< 0.001
Male
 Normotension120 (5.4)111
 Hypertension416 (16.3)2.99 (2.40–3.72)< 0.0012.14 (1.69–2.72)< 0.0012.03 (1.60–2.59)< 0.001
Female
 Normotension269 (9.0)111
 Hypertension566 (20.3)2.23 (1.89–2.63)< 0.0011.63 (1.36–1.95)< 0.0011.56 (1.30–1.88)< 0.001

Abbreviations. CI: confidence interval; OR: odds ratio; QTc: QT interval corrected for heart rate with Bazett’s formula.
Note. Model 1: adjusted for age, gender, and race; Model 2: additional adjustments for BMI, FBG, TC, TG, LDL-C, HDL-C, SUA, current smoking, drinking status, serum calcium, potassium and magnesium, heart rate, history of heart disease, and any medication used; Model 3: additional adjustments for LVH.