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