Table 3.
Two-year cumulative incidences, incidence rates, and HRs of breast cancer screening by CKD stage and age
| Age Groups and CKD Stage | 2-yr Cumulative Incidence, % | Incidence Rate per 1000 person-yr | HR (95% CI) |
|---|---|---|---|
| Total cohort | |||
| CKD | |||
| No CKD | 60.8 | 468.4 | 1.0 (reference) |
| CKD stages 3a and 3b | 53.6 | 383.7 | 0.82 (0.80 to 0.84) |
| CKD stages 4 and 5 | 36.5 | 227.4 | 0.49 (0.44 to 0.54) |
| Dialysis | 26.0 | 150.5 | 0.32 (0.30 to 0.35) |
| Transplant | 53.0 | 377.5 | 0.81 (0.70 to 0.94) |
| 50–59 yr old | |||
| CKD | |||
| No CKD | 55.7 | 406.7 | 1.0 (reference) |
| CKD stages 3a and 3b | 47.0 | 317.2 | 0.78 (0.71 to 0.85) |
| CKD stages 4 and 5 | 34.4 | 210.8 | 0.52 (0.36 to 0.75) |
| Dialysis | 34.8 | 214.1 | 0.53 (0.46 to 0.61) |
| Transplant | 47.5 | 322.0 | 0.80 (0.61 to 1.03) |
| 60–69 yr old | |||
| CKD | |||
| No CKD | 66.6 | 547.8 | 1.0 (reference) |
| CKD stages 3a and 3b | 60.7 | 466.3 | 0.85 (0.83 to 0.88) |
| CKD stages 4 and 5 | 43.4 | 284.9 | 0.52 (0.45 to 0.61) |
| Dialysis | 28.9 | 170.4 | 0.31 (0.28 to 0.34) |
| Transplant | 56.3 | 414.1 | 0.76 (0.62 to 0.93) |
| 70–74 yr old | |||
| CKD | |||
| No CKD | 54.3 | 391.8 | 1.0 (reference) |
| CKD stages 3a and 3b | 47.9 | 325.7 | 0.84 (0.81 to 0.87) |
| CKD stages 4 and 5 | 31.1 | 186.3 | 0.48 (0.41 to 0.57) |
| Dialysis | 17.0 | 93.0 | 0.24 (0.21 to 0.28) |
| Transplant | 56.2 | 412.5 | 1.05 (0.71 to 1.55) |