Research Article
[Retracted] Characteristics of the Dynamic Electrocardiogram in the Elderly with Nonvalvular Atrial Fibrillation Combined with Long R-R Intervals
Table 1
Basic demographics of patients in the long R-R interval group and nonlong R-R interval group.
| Groups | Male/female | Age (mean, years) | History of smoking/alcohol consumption | Hypertension/diabetes/coronary heart disease | Duration of atrial fibrillation (mean, months) |
| Long R-R interval (n = 399) | 276/123 | 73.52 ± 5.69 | 384/384 | 165/108/126 | 14.86 ± 5.68 | Nonlong R-R interval (n = 133) | 84/49 | 74.01 ± 5.70 | 128/126 | 65/48/20 | 15.01 ± 5.70 | χ2/t | 1.386 | 0.860 | 0.069 | 2.002 | 0.264 | | 0.239 | 0.390 | 0.792 | 0.157 | 0.792 |
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