Table 2. Absolute risk and unadjusted incidence rates for primary and secondary outcomes for both cohorts.

	COVID-19 cohort		Influenza cohort
	Absolute risk, N (%)	Incidence rates (per person-year)	Absolute risk, N (%)	Incidence rates (per person-year)
Primary Endpoints (Hospital Discharge ICD-10-CM Diagnosis)
Arterial thrombosis (combined)	7,121 (1.7)	0.11	3,035 (0.88)	0.04
Venous thromboembolism (combined)	4,278 (1)	0.06	1,524 (0.44)	0.02
Secondary Endpoints (ED or hospital discharge ICD-10-CM diagnosis)
Acute MI	4,094 (0.98)	0.06	2,008 (0.58)	0.03
Acute ischemic or embolic stroke	3,486 (0.83)	0.05	1,217 (0.35)	0.02
Acute upper/lower deep venous thrombosis	2,455 (0.59)	0.04	959 (0.28)	0.01
Acute pulmonary embolism	2,315 (0.55)	0.03	772 (0.22)	0.01
Expanded arterial thrombosis (combined)	14,462 (3.5)	0.22	7,609 (2.2)	0.10
Expanded venous thromboembolism (combined)	4,519 (1.1)	0.07	1,640 (0.47)	0.02

Abbreviations: ICD-10-CM—international classification of diseases, 10th revision; ED—emergency department; MI—myocardial infarction