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Table 3 Factorial analysis of spike protein antibody titers > 137 at 90 days (multiple logistic regression analysis)

From: Changes in spike protein antibody titer over 90 days after the second dose of SARS-CoV-2 vaccine in Japanese dialysis patients

Variables

Odds ratio

95%CI

p

Sex (1: male, 0: female)

0.677

0.227–2.018

0.484

Body Mass Index (kg/m2)

0.961

0.886–1.042

0.337

Duration of dialysis (years)

1.087

0.939–1.258

0.266

Pre-dialysis albumin (g/dL)

2.855

1.243–6.558

0.013 *

Age (years)

0.967

0.941–0.995

0.019 *

  1. Conditions causing titers > 137: High albumin values, younger age
  2. Accuracy of the regression formula: Adjusted R2 = 0.170
  3. Significance of the regression formula: p = 0.002
  4. *p < 0.05 Wald chi-squared test