Research Article

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

Table 3

Left ventricle (LV) ejection fraction and measures by PR interval (PRi).

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

LV mass (g)130.6 (38.5)143.7 (38.4)163.5 (46.3)<0.001
LV mass index (g/m2)73.5 (16.5)71.4 (15.9)83.9 (19.5)<0.001
LV end-systolic volume (mL)20.6 (10.4)21.2 (7.9)22.9 (9.4)<0.001
LV end-diastolic volume (mL)64.2 (15.2)67.8 (13.2)71.6 (16.1)<0.001
LV stroke volume (mL)43.6 (9.0)46.6 (8.8)48.6 (10.4)<0.001
LV ejection fraction (%)68.6 (8.3)69.1 (7.4)68.5 (7.8)0.3

Data shown as mean (standard deviation).
compared to PRi 120–200 ms; compared to PRi 120–200 ms.
Indexed for body surface area [16].