BioMed Research International / 2019 / Article / Tab 2

Research Article

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

Table 2

Multivariate linear regression for association between blood pressure and QTc interval (ms).

GroupModel 1Model 2Model 3
β (95% CI)P valueβ (95% CI)P valueβ (95% CI)P value

Total
 SBP, mmHg0.23 (0.21–0.25)< 0.0010.14 (0.12–0.16)< 0.0010.12 (0.10–0.14)< 0.001
 DBP, mmHg0.46 (0.42–0.50)< 0.0010.20 (0.16–0.24)< 0.0010.16 (0.12–0.20)< 0.001
Male
 SBP, mmHg0.28 (0.25–0.31)< 0.0010.19 (0.16–0.21)< 0.0010.16 (0.13–0.19)< 0.001
 DBP, mmHg0.56 (0.51–0.62)< 0.0010.25 (0.20–0.30)< 0.0010.20 (0.14–0.25)< 0.001
Female
 SBP, mmHg0.19 (0.16–0.22)< 0.0010.11 (0.09–0.14)< 0.0010.09 (0.07–0.12)< 0.001
 DBP, mmHg0.37 (0.32–0.42)< 0.0010.15 (0.10–0.20)< 0.0010.12 (0.07–0.17)< 0.001

Abbreviations as in Table 1.
Note. Model 1: adjusted for age, gender, race, SBP, and DBP; 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 LVMI.