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P‐wave Duration Measurements of Study Population
| Obese Subjects (n = 40) | Controls (n = 20) | P Value | |
|---|---|---|---|
| Heart rate (bpm) | 72 ± 13 | 69 ± 7 | NS |
| IAB n (%) | 31 (77.5) | 6 (30) | <0.01 |
| Pmax (ms) | 111.9 ± 9.3 | 101.1 ± 6.0 | <0.01 |
| Pmin (ms) | 64.5 ± 12.8 | 69.3 ± 5.6 | NS |
| Pd (ms) | 47.9 ± 9.3 | 31.8 ± 6.9 | <0.01 |
IAB = interatrial block; NS = not significant; bpm = beat per minute.
P‐wave duration ≥ 110 ms in any electrocardiographic lead was regarded as IAB.
