Table 1.
Demographics of kidney transplants performed in Northern Ireland in the period 1968–2019.
| 1st Transplant n = 2062 |
2nd Transplant n = 279 |
3rd+ Transplant n = 54 |
p Value | |
|---|---|---|---|---|
| Recipient | ||||
| Recipient age (mean+SD, years) |
43.6 ± 16.3 | 39.9 ± 14.4 | 41.4 ± 11.5 | 0.001 |
| Recipient sex (male) |
1244 (60%) | 187 (67%) | 38 (73%) | 0.006 |
| Renal replacement therapy duration (mean+SD, months) |
22.5 ± 26.6 | 124.7 ± 95.8 | 207.3 ± 106.8 | <0.0001 |
| Calculated reaction frequency (cRF) (mean+SD, %) |
15.3 ± 29.7 | 54.1 ± 40.3 | 75.7 ± 34.5 | <0.0001 |
| Donor | ||||
| Donor age (mean+SD, years) |
49.7 ± 9 | 39.4 ± 16.1 | 43.5 ± 16 | 0.166 |
| Donor sex (male) |
1159 (56%) | 152 (54%) | 28 (54%) | 0.171 |
| Living donor | 549 (26%) | 82 (29%) | 22 (42%) | <0.0001 |
| Transplant | ||||
| Pre-emptive transplantation | 308 (14.9%) | 22 (7.9%) | 3 (5.6%) | <0.0001 |
| HLA-A, -B, -DR mismatch (mean+SD, number) |
2.4 ± 1.3 | 2 ± 1.4 | 1.4 ± 1.4 | <0.0001 |
| Ischaemic time (mean+SD, hours) |
17.5 + 18 | 16.6 + 16.5 | 13 + 9.9 | 0.197 |
Donor age, donor sex and cold ischaemic time did not statistically differ between the groups.