Table 2.

Clinical factors associated with low humoral response to the Pfizer BNT162b2 vaccine among patients on hemodialysis

VariableAdjusted Odds Ratio (95% Confidence Interval)P Value
Age per 1 yr1.2 (1.1 to 1.6)0.03
Dialysis vintage per 1 yr1.1 (0.9 to 1.4)0.19
Kt/V per 1 U0.9 (0.7 to 1.9)0.43
Diabetes mellitus1.4 (0.8 to 2.5)0.58
Lymphocyte count per 10 e3/ยตl0.8 (0.6 to 0.9)0.04
  • Low humoral response was defined as below the 25th percentile of antibody concentration. Covariates included in the analysis are age, dialysis vintage, Kt/V, lymphocyte count, and diagnosis of diabetes mellitus.