Table 1. Clinical characteristics renal transplant cohort.
Note table refers to Abbott serology result. Subsequently, one seronegative individual tested positive using DABA.
| Characteristic | All patients
N=108 (%) |
Anti-S
Seronegative* N= 36 (%) |
Anti-S
Seropositive* N= 72 (%) |
|
|---|---|---|---|---|
| Gender | Male
Female |
74 (68.5)
34 (31.5) |
25 (69.4)
11 (30.6) |
49 (68.1)
23 (31.9) |
| Age | Years (Range) | 54 (41–65) | 44 (38–74) | 56 (44–64) |
| Ethnicity | White
Black Asian Other |
52 (48.1)
8 (7.4) 34 (31.5) 14 (13.0) |
17 (47.2)
2 (5.6) 11 (30.6) 6 (16.7) |
35 (48.6)
6 (8.3) 23 (31.9) 8 (11.1) |
| Cause of End Stage Kidney Disease | Polycystic kidney disease
Glomerulonephritis Diabetic nephropathy Urological Unknown Other |
9 (8.3)
41 (38.0) 18 (16.7) 7 (6.5) 26 (24.1) 7 (6.5) |
4 (11.1)
12 (33.3) 7 (19.4) 2 (5.6) 8 (22.2) 3 (8.3) |
5 (6.9)
29 (40.3) 11 (15.3) 5 (6.9) 18 (25.0) 4 (5.6) |
| Vaccinated ≤1 year post transplant | Yes
No |
6 (5.6)
102 (94.4) |
1 (2.8)
35 (97.2) |
5 (6.9)
67 (93.1) |
| Time vaccinated post-transplant | Years (Median) | 6.3 (2.9–11.9) | 5.7 (2.8–11.7) | 6.5 (2.9–12.0) |
| Diabetes | No
Yes |
75 (69.4)
33 (30.6) |
27 (75.0)
9 (25.0) |
48 (66.7)
24 (33.3) |
| Vaccine type | BNT162b2
ChAdOx1 |
51 (47.2)
57 (52.8) |
12 (33.3)
24 (66.7) |
39 (54.2)
33 (45.8) |
| Time between vaccinations | Days (median) | 77 (73–80) | 77 (71–80) | 77 (74–80) |
| Time of serological test post-boost | Days (median) | 34 (29–38) | 34 (29–36) | 34 (30–38) |
| Prior COVID-19 exposure | No
Yes |
89 (82.4)
19 (17.6) |
36 (100.0)
- |
53 (73.6)
19 (26.4) |