Table 2 Results of the serological tests and sero-neutralization test in hemodialysis patients. Results are expressed as number (% of samples tested).
M0 N = 451 | M3 N = 414 | M6 N = 382 | |
|---|---|---|---|
Rapid serological test | |||
BIOSYNEX+ | 38 (8.4) | 28 (6.8) | 52 (13.8) |
BIOSYNEX − | 413 (91.6) | 383 (93.2) | 324 (86.2) |
Missing data | 0 | 3 | 7 |
Main laboratory tests | |||
Anti-S ELISA + | 43 (9.6) | 32 (7.9) | 62 (16.8) |
Anti-S ELISA − | 405 (90.4) | 375 (92.1) | 307 (83.2) |
Missing data | 3 | 7 | 13 |
Sero-neutralization + | 26 (5.8) | 27 (6.6) | 59 (16.0) |
Sero-neutralization – | 422 (94.2) | 380 (93.4) | 310 (84.0) |
Missing data | 3 | 7 | 13 |
Immunization status | |||
Anti-SARS-COV2 neutralizing antibodies | 26 (5.8) | 27 (6.6) | 59 (16.0) |
Anti-SARS-COV2 non-neutralizing antibodies | 17 (3.8) | 5 (1.2) | 3 (0.8) |
Absence of anti-SARS-COV2 antibodies | 405 (90.4) | 375 (92.2) | 307 (83.2) |
Missing data | 3 | 7 | 13 |
Additional laboratory tests | |||
Anti-RBD ELISA + | 37 (8.3) | 32 (7.9) | 51 (14.2) |
Anti-RBD ELISA – | 408 (91.7) | 373 (92.1) | 308 (85.8) |
Missing data | 6 | 9 | 23 |
