Table 3.

Relative incidence (RI) of admission in the sensitivity analysis using the expanded CVT code set, and codes indicating thrombosis with thrombocytopenia, after a first dose of ChAdOx1 (AZ) or BNT162b2 (PF) vaccine by post-vaccination risk interval.

Age group	Vaccination status	Person years	Expanded CVT codes			Thrombosis with thrombocytopenia
			Cases	Crude RI	Adjusted RI	Cases	Crude RI	Adjusted RI
15 to 39	unvaccinated	7316283	148	1.0	baseline	34	1.0	Baseline
	AZ 0-3 days	26577	3	5.6	5.2 (1.7-16.6)	0	0.0	N<2
	AZ 4-13 days	64972	21	16.0	15.4 (9.5-25.2)⁎⁎	12	39.7	38.2 (17.6-82.9)⁎⁎
	AZ 14-27 days	80017	9	5. 6	5.5 (2.7-11.2)⁎⁎	9	24.2	22.1 (9.3-52.5)⁎⁎
	AZ 28+ days	105340	15	7.0	6.8 (3.7-12.4)⁎⁎	4	8.2	5.8 (1.7-19.3)*
	PF 0-3 days	15164	0	0.00	N <2	0	0.0	N<2
	PF 4-13 days	37282	1	1.3	N <2	1	5.8	N<2
	PF 14-27 days	50547	2	2.0	1.8 (0.4-7.3)	1	4.3	N<2
	PF 28+ days	136472	4	1. 5	1.4 (0.5-4)	2	3.2	3 (0.6-13.8)
40 to 64	unvaccinated	5831379	214	1.0	baseline	68	1.0	baseline
	AZ 0-3 days	110033	4	1.0	1.1 (0.4-3)	1	0.8	N<2
	AZ 4-13 days	265801	22	2.3	2.6 (1.6-4.2)⁎⁎	19	6.1	5.4 (3-9.7)⁎⁎
	AZ 14-27 days	340292	28	2.2	2.8 (1.8-4.5)⁎⁎	24	6.1	5.2 (2.9-9.3)⁎⁎
	AZ 28+ days	344276	16	1.3	1.5 (0.8-2.8)	14	3.5	1.9 (0.9-3.9)
	PF 0-3 days	35802	0	0.0	N <2	1	2.4	N<2
	PF 4-13 days	89087	2	0.6	0.6 (0.1-2.3)	1	1.0	N<2
	PF 14-27 days	122191	7	1.6	1.5 (0.7-3.2)	5	3.5	2.7 (1.1-7.1)
	PF 28+ days	306783	6	0.5	0.6 (0.3-1.4)	6	1.7	1.1 (0.4-2.8)
65 +	unvaccinated	1950335	185	1.0	baseline	64	1.0	baseline
	AZ 0-3 days	58333	5	0.9	0.9 (0.3-2.1)	1	0.5	N<2
	AZ 4-13 days	145509	15	1.1	1 (0.6-1.8)	11	2.3	2.1 (1-4.5)
	AZ 14-27 days	202486	23	1.2	1.3 (0.8-2.1)	11	1.7	1.7 (0.8-3.7)
	AZ 28+ days	580777	45	0.8	1.2 (0.7-1.9)	10	0.5	0.6 (0.3-1.5)
	PF 0-3 days	51471	1	0.2	N <2	1	0.6	N<2
	PF 4-13 days	128621	12	1.0	1.0 (0.5-1.7)	3	0.7	0.6 (0.2-1.9)
	PF 14-27 days	173229	18	1.1	1.1 (0.6-1.8)	4	0.7	0.6 (0.2-1.8)
	PF 28+ days	539798	59	1.2	1.5 (1-2.3)	20	1.1	1.2 (0.6-2.5)

^⁎significant at the P<0.01 level

^⁎⁎significant at the P<0.001 level