Table 3.
Characteristics of COVID-19 vaccination among patients with COVID-19 infection
| Variable | PD group (n = 1,531) | HD group (n = 1,799) | KT group (n = 95) | Total group (n = 3,425) |
|---|---|---|---|---|
| Hospitalizing COVID-19 infections (%) | 44.7 | 52.5 | 2.8 | 100 |
| Cases without vaccination before infection* | 1,018 (66.5) | 899 (50.0) | 49 (51.6) | 1,966 (57.4) |
| Cases of vaccination before infection | 513 (33.5) | 900 (50.0) | 46 (48.4) | 1,459 (42.6) |
| Single dose | 326 (63.6) | 594 (66.0) | 31 (67.4) | 951 (65.2) |
| Two doses | 181 (35.3) | 298 (33.1) | 15 (32.6) | 494 (33.9) |
| At least three doses | 6 (1.2) | 8 (0.9) | 0 (0) | 14 (1.0) |
| Cases of vaccination after infectiona | 231 (15.1) | 273 (15.2) | 34 (35.8) | 538 (15.7) |
| Cases of vaccination before or after infection | 744 (48.6) | 1,173 (65.2) | 80 (84.2) | 1,997 (58.3) |
| Cases of only lived, attenuated vaccine administrationa | 131 (8.6) | 187 (10.4) | 13 (13.7) | 331 (9.7) |
| Cases of only viral vector vaccine administration | 289 (18.9) | 605 (33.6) | 28 (29.5) | 922 (26.9) |
| Cases of only mRNA vaccine administration | 29 (1.9) | 25 (1.4) | 2 (2.1) | 56 (1.6) |
| Cases of mixed-type vaccine administration with any mRNA vaccine | 1 (0.1) | 2 (0.1) | 0 (0) | 3 (0.1) |
| Cases of mixed-type vaccine administration without any mRNA vaccine | 63 (4.1) | 81 (4.5) | 3 (3.2) | 147 (4.3) |
| Cases of any mRNA vaccine administration | 30 (2.0) | 27 (1.5) | 2 (2.1) | 59 (1.7) |
| Interval between the last vaccination and admission date (day)a | 34.0 (16.0–61.0) | 28.5 (14.0–56.0) | 24.0 (15.0–38.3) | 30.0 (15.0–58.0) |
Data are expressed as percentage only, number (%), or median (interquartile range).
COVID-19, coronavirus disease 2019; HD, hemodialysis; KT, kidney transplantation; mRNA, messenger RNA; PD, peritoneal dialysis.
a
p < 0.05.