Table 2.
Incidence (per 10,000 person-years) and HRs of SDH in the propensity score–matched cohorts
| Characteristic | HD | PD |
|---|---|---|
| Follow-up, person-years | 47,442 | 44,133 |
| Median | 3.61 (1.91–6.33) | 3.33 (1.83–5.66) |
| SDH | ||
| Overall | ||
| Event, n | 158 | 95 |
| Incidence rate | 34.7 (31.4 to 35.4) | 21.5 (20.2 to 22.9) |
| HR | 1.62 (1.17 to 2.33) | 1 (reference) |
| Traumatic | ||
| Events, n | 94 | 58 |
| Incidence rate | 19.8 (18.6 to 21.1) | 13.1 (12.3 to 14.0) |
| HR | 1.74 (1.15, 2.64) | 1 (reference) |
| Nontraumatic | ||
| Event, n | 64 | 37 |
| Incidence rate | 13.5 (12.6 to 14.4) | 8.38 (7.83 to 8.97) |
| HR | 1.44 (0.86 to 2.40) | 1 (reference) |
Data are presented as the median (interquartile range), incidence rate (95% CI), or HR (95% CI) unless otherwise indicated. HR, hazard ratio; SDH, subdural hematoma; HD, hemodialysis; PD, peritoneal dialysis; 95% CI, 95% confidence interval.