Differential immunogenicity of BNT162b2 or ChAdOx1 vaccines after extended-interval homologous dual vaccination in older people

Table 1 Patient demographics

	BNT162b2 elderly cohort	ChAdOx1 elderly cohort	BNT162b2 younger cohort	ChAdOx1 younger cohort
Number of participants	54	77	29	55
Number with Nucleocapsid-specific Antibody detected	1	3	3	5
Median age	83	83	69	72
Age Range	80–96	80–98	42–79	51–79
Age IQR	81–84	81–86	57–75	70–73
Male	24	33	12	18
Female	30	44	17	37
Time since second vaccine (Median days)	20 (IQR 18–21)	19 (IQR 18–20)	25 (20–33)	28 (19–32)