Table 1.
Demographic data of enrolled patients.
| Variable | Descriptions |
|---|---|
| Infection | n, % |
| 24, 1.906% | |
| Gender | n, % |
| Male | 631, 50.119 |
| Female | 628, 49.880 |
| Age | Median, 25–75% percentile range |
| 59.000, 52.000–66.000 | |
| COPD | n, % |
| 178, 14.138% | |
| Diabetes | n, % |
| 110, 8.737% | |
| Heart failure | n, % |
| 105, 8.340% | |
| CKD | n,% |
| 70, 5.560% | |
| Anti-coagulation drugs | n, % |
| 251, 19.936% | |
| Operation duration >2 hours | n, % |
| 121, 9.611% | |
| Temporal lead implantation | n, % |
| 476, 37.808% | |
| Center volume >200/year | n, % |
| 592, 47.021% | |
| Replacement | n, % |
| 96, 7.625% | |
| Double chamber | n, % |
| 1103, 87.609% | |
| Costs (RMB) | Median, 25–75% percentile range |
| 32656, 30146–33333 |