Table 2 Incidence rates and risks of AVF/AVG dysfunction in SLE and non-SLE patients.
Time period | SLE patients | Non-SLE patients (reference) | Crude | Competing risk | ||||||
---|---|---|---|---|---|---|---|---|---|---|
No. of events | Person-years | Incidence ratea | No. of events | Person-years | Incidence ratea | HR (95% CI) | P | SHR (95% CI) | P | |
Overall period | 924 | 3927 | 23.53 | 2589 | 11,950 | 21.66 | 1.07 (0.99, 1.16) | 0.068 | 1.09 (1.00, 1.17) | 0.027* |
Within 90 days | 206 | 313 | 65.87 | 580 | 937 | 61.90 | 1.06 (0.91, 1.25) | 0.446 | 1.06 (0.91, 1.25) | 0.442 |
Within 180 days | 347 | 573 | 60.52 | 1009 | 1720 | 58.66 | 1.03 (0.91, 1.17) | 0.616 | 1.04 (0.92, 1.17) | 0.572 |
First year | 483 | 1027 | 47.05 | 1434 | 3071 | 46.69 | 1.01 (0.91, 1.12) | 0.871 | 1.01 (0.92, 1.12) | 0.782 |
> 1 year | 441 | 2900 | 15.21 | 1155 | 8879 | 13.01 | 1.15 (1.02, 1.29) | 0.011 | 1.16 (1.04, 1.29) | 0.007* |
1–5 years | 332 | 1973 | 16.83 | 910 | 5824 | 15.62 | 1.08 (0.95, 1.22) | 0.255 | 1.09 (0.96, 1.24) | 0.174 |
Within 5 years | 815 | 3000 | 27.17 | 2344 | 8896 | 26.35 | 1.03 (0.96, 1.12) | 0.4 | 1.05 (0.97, 1.14) | 0.222 |
5–10 years | 100 | 839.7 | 11.91 | 218 | 2692 | 8.10 | 1.47 (1.16, 1.86) | 0.001 | 1.42 (1.12, 1.79) | 0.003* |
1–10 years | 432 | 2813 | 15.36 | 1128 | 8516 | 13.25 | 1.15 (1.03, 1.28) | 0.015 | 1.16 (1.04, 1.29) | 0.007* |
> 10 years | 9 | 87.7 | 10.26 | 27 | 363 | 7.45 | 1.37 (0.64, 2.91) | 0.416 | 1.34 (0.63, 2.85) | 0.450 |