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).
| Variable | PRi < 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 (%) | 28.6 | 46.4 | 62.7 | <0.001 | Race/ethnicity | | | | <0.001 | White (%) | 57.1 | 38.6 | 39.3 | | Black (%) | 14.3 | 24.9 | 36.0 | | Hispanic (%) | 16.3 | 23.1 | 14.3 | | Chinese (%) | 12.2 | 13.4 | 10.4 | | 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 (%) | 16.3 | 13.0 | 10.3 | NS | 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 (%) | 8.2 | 10.8 | 12.9 | 0.5 | 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 |
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compared to PRi interval 120–200 ms. compared to PRi interval 120–200 ms.
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