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. 2021 Jun 23;122:102685. doi: 10.1016/j.jaut.2021.102685

Table 1.

Differences in AE frequency between young/adults and old vaccine recipients and between ChA and BNT in young/adults and old people. The rate of individual cases is reported in Table S17.

increase of SAE rate
in 18–64 year subjects
vs > 64 year subjects
increase of SAE rate
in ChA vs BNT
in 18–64 year subjects
increase of SAE rate
in ChA vs BNT
in >64 year subjects
BNT mean (95% CI) p value ChAdOx1 nCoV-19 mean (95% CI) p value AE rate of ChA over the AE rate of BNT mean (95%CI) fold risk mean (95% CI) p value AE rate of ChA over the AE rate of BNT
mean (95%CI)
fold risk
mean (95% CI)
p value
Severe AEs more frequent in younger (>2.0) cerebral venous thrombosis 2.0 (1.7–2.3) p < 0.01a 5.7 (5.1–6.2) p < 0.0001 12.7 (12.3–13.2) 12.4 (11.2–13.6) p < 0.01a 1.9 (1.8–2.0) 4.4 (4.0–4.7) p < 0.0001
splanchnic vein thrombosis 2.1 (1.8–2.4) p < 0.0001 4.0 (3.7–4.3) p < 0.0001 3.6 (3.5–3.7) 12.4 (11.2–13.5) p < 0.0001 0.8 (0.8–0.9) 6.5 (6.0–6.9) p < 0.0001
thrombocytopenia 1.9 (1.6–2.2) p < 0.01a 2.5 (2.3–2.7) p < 0.0001 23.6 (22.6–24.6) 6.6 (6.0–7.2) p < 0.01a 9.0 (8.5–9.6) 5.0 (4.6–5.4) p < 0.0001
other bleeding events 2.7 (2.3–3.1) p < 0.01a 2.4 (2.3–2.6) p < 0.0001 11.6 (10.7–12.7) 2.5 (2.3–2.8) p < 0.01a 5.1 (4.7–5.5) 2.8 (2.6–3.0) p < 0.0001
Severe AEs with similar rate in younger and older (2.0–0.6) gastrointestinal bleeding 1.6 (1.3–1.8) p < 0.001 1.6 (1.5–1.8) p < 0.0001 4.4 (4.0–4.8) 2.4 (2.1–2.6) p < 0.0001 2.6 (2.3–2.8) 2.2 (2.1–2.4) p < 0.0001
cerebral bleeding 0.6 (0.6–0.7) p < 0.01a 1.4 (1.3–1.5) p < 0.0001 9.2 (8.8–9.6) 5.9 (5.4–6.5) p < 0.01a 4.9 (4.5–5.3) 2.7 (2.5–2.9) p < 0.01a
other venous thrombosis 1.2 (1.0–1.4) p < 0.01a 1.2 (1.1–1.3) p < 0.0001 43.9 (41.9–45.9) 5.9 (5.4–6.4) p < 0.01a 38.0 (35.8–40.3) 6.1 (5.7–6.5) p < 0.0001
disseminated intravascular coagulation 0.9 (0.8–1.1) p > 0.05a 1.0 (0.9–1.1) p > 0.05 1.4 (1.4–1.5) 18.8 (17.0–20.6) p < 0.01a 1.4 (1.3–1.5) 17.0 (15.8–18.1) p < 0.01a
pulmonary thromboembolism 0.8 (0.6–0.9) p < 0.01a 0.9 (0.8–1.0) p < 0.01 24.0 (22.8–25.2) 4.7 (4.3–5.1) p < 0.01a 25.1 (23.5–26.8) 4.0 (3.7–4.2) p < 0.0001
Severe AEs more frequent in older (<0.6) ischemic stroke 0.6 (0.5–0.6) p < 0.01a 0.6 (0.5–0.6) p < 0.0001 11.0 (10.3–11.7) 3.4 (3.1–3.7) p < 0.01a 19.1 (17.8–20.5) 3.3 (3.1–3.6) p < 0.0001
a

KS normality test failed.