Extended Data Fig. 3: Age and Comorbidity in BNT162b2 responders and low-/non-responders.

(a) Age distribution of responders (n = 46) and low/non-responders (n = 5). Mean ± SD; P = 0.48 by unpaired two-tailed t test. (b) Distribution of Charlson comorbidity index (CCI) scores in responders (n = 46) and low/non-responders (n = 5). Median ± 95% confidence interval; P = 0.43 by Wilcoxon rank sum test with continuity correction. Each symbol represents one donor.