# ABO Blood Group Type Association With COVID-19 Severity

> **NCT05859958** · — · COMPLETED · sponsor: **Arrowhead Regional Medical Center** · enrollment: 599 (actual)

## Conditions studied

- COVID-19
- Blood Group Antigen Abnormality
- Blood Group Incompatibilities
- Diabetes Mellitus
- COVID-19 Pandemic

## Interventions

- **OTHER:** No Intervention

## Key facts

- **NCT ID:** NCT05859958
- **Lead sponsor:** Arrowhead Regional Medical Center
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2022-11-10
- **Primary completion:** 2023-05-10
- **Final completion:** 2023-05-10
- **Target enrollment:** 599 (ACTUAL)
- **Last updated:** 2023-05-26


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05859958

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05859958, "ABO Blood Group Type Association With COVID-19 Severity". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT05859958. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*