Research Article

The Association between the PR Interval and Left Ventricular Measurements in the Multiethnic Study of Atherosclerosis

Table 1

Characteristics by presence of a prolonged PR interval (PRi).

VariablePRi < 120 ms
()
PRi 120–200 ms
()
PRi > 200 ms
()
value

Age (years)58.0 (0.1)61.2 (10.0)65.7 (10.1)<0.001
Male (%)28.646.462.7<0.001
Race/ethnicity<0.001
 White (%)57.138.639.3
 Black (%)14.324.936.0
 Hispanic (%)16.323.114.3
 Chinese (%)12.213.410.4
Waist circumference (cm)92.7 (13.5)96.3 (13.3)99.3 (12.5)<0.001
Height (cm)164.4 (8.1)166.6 (9.9)170.1 (9.8)<0.001
Weight (kg)70.3 (14.2)76.6 (16.1)82.5 (16.1)<0.001
Current smoker (%)16.313.010.3NS
Systolic blood pressure (mmHg)122.6 (22.1)125.1 (21.2)130.0 (21.0)<0.001
Diastolic blood pressure (mmHg)72.0 (10.8)71.8 (10.3)72.8 (10.0)0.2
Diabetes (%)8.210.812.90.5
Heart rate (beats/minute)65.2 (9.2)63.1 (9.4)59.9 (9.2)<0.001
QRS duration (ms)93.3 (13.5)92.9 (13.4)97.7 (16.0)<0.001
PR interval (ms)111.6 (6.6)160.8 (17.7)218.2 (19.7)<0.001

compared to PRi interval 120–200 ms. compared to PRi interval 120–200 ms.