Table 1 Comparison of different variables between study groups
Variables | Control n = 35 | CKD stage G4 n = 48 | CKD stage G5 n = 35 | CKD stage G5D n = 70 |
|---|---|---|---|---|
Age (years) | 75.1 ± 6.5 | 77.1 ± 9.0 | 75.3 ± 8.9 | 73.1 ± 8.5 |
Age > 60 years | 100% | 100% | 100% | 100% |
Male sex | 42.8% | 70.8% | 65.7% | 67.1% |
Diabetes mellitus | 0% | 41.6 | 40.0% | 38.5% |
Serum creatinine (mg/dL) | 0.75 ± 0.17 | 2.27 ± 0.55 | 4.80 ± 1.51 | 9.35 ± 2.23 |
eGFR (mL/min/1.73 m2) | 67.6 ± 12.9 | 22.0 ± 4.9 | 9.8 ± 2.5 | 4.7 ± 1.2 |
Antibody titers (U/mL) | 533 (275.5–1100) | 358 (130.2–639.2) | 218 (117–377) | 185.5 (95.1–323.5) |
Antibody positivity | 100% | 100% | 100% | 98.5% |
Sample taken after second vaccination (days) | 33 (23–45) | 100 (79–127.5) | 97 (84.7–110) | 43 (36–50) |