Table 2 Factorial analysis of spike protein antibody titers > 137 at 90 days (univariate analysis)
Item |  > 137 (n = 53) |  ≤ 137 (n = 28) | p |
|---|---|---|---|
Height (cm) | 163.2 ± 8.8 | 161.3 ± 12.6 | 0.411 |
Body weight (kg) | 61.5 ± 16.4 | 61.1 ± 15.5 | 0.911 |
Body Mass Index (kg/m2) | 23 ± 5.6 | 23.6 ± 6.5 | 0.666 |
History of dialysis (years) | 5.4 ± 4.7 | 3.7 ± 2.8 | 0.085 |
Creatinine Index | 93.6 ± 24.1 | 85.9 ± 25.8 | 0.185 |
C-reactive protein (mg/dL) | 0.5 ± 1.5 | 0.3 ± 0.4 | 0.571 |
HbA1c (NGSP) (%) note | 6.5 ± 1.4 | 6.3 ± 1.6 | 0.615 |
PTH-intact (pg/mL) | 194 ± 125.6 | 172.9 ± 101.8 | 0.447 |
Glycated albumin (%) note | 20.7 ± 3.9 | 21.9 ± 6.5 | 0.493 |
Ferritin (ng/mL) | 184.3 ± 186.3 | 190 ± 167.7 | 0.893 |
Geriatric Nutritional Risk Index | 94.1 ± 7.3 | 92.1 ± 7.8 | 0.248 |
Kt/V (shinzato) | 1.4 ± 0.2 | 1.4 ± 0.3 | 0.230 |
Protein catabolism rate (g/kg/day) | 0.9 ± 0.1 | 0.8 ± 0.2 | 0.340 |
Transferrin saturation (%) | 29.3 ± 16.8 | 28.9 ± 13.5 | 0.896 |
Pre-dialysis albumin (g/dL) | 3.7 ± 0.3 | 3.5 ± 0.4 | 0.013 * |
Clear space ratio (%) | 66.6 ± 6.4 | 64.4 ± 8.1 | 0.181 |
Post-dialysis albumin (g/dL) | 4.4 ± 0.6 | 4.2 ± 0.6 | 0.131 |
Age (years) | 65.7 ± 14.9 | 73.8 ± 14.1 | 0.020 * |
Sex (Male/Female) | 39 (73.6%)/14 (26.4%) | 21 (75%)/7 (25%) | 0.890 |
Diabetes | 19 (35.8%) | 13 (46.4%) | 0.354 |
Nephrosclerosis | 15 (28.3%) | 9 (32.1%) | 0.719 |
Chronic glomerulonephritis | 10 (18.9%) | 2 (7.1%) | 0.158 |