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QRS Duration, QT, and QTc Intervals
| Variables | All (n = 276) | CA (n = 189) | Control (n = 87) | P value |
|---|---|---|---|---|
| QRS duration (ms) | 93 ± 28 | 95 ± 22 | 90 ± 38 | 0.002 |
| QT interval (ms) | 377 ± 48 | 382 ± 49 | 368 ± 44 | 0.019 |
| QTc interval (ms) | 444 ± 39 | 451 ± 40 | 428 ± 32 | <0.001 |
