Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

View full-text article in PMC

. 2022 Sep 13;4(11):e765–e774. doi: 10.1016/S2665-9913(22)00227-2

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

© 2022 Elsevier Ltd. All rights reserved.

Since January 2020 Elsevier has created a COVID-19 resource centre with free information in English and Mandarin on the novel coronavirus COVID-19. The COVID-19 resource centre is hosted on Elsevier Connect, the company's public news and information website. Elsevier hereby grants permission to make all its COVID-19-related research that is available on the COVID-19 resource centre - including this research content - immediately available in PubMed Central and other publicly funded repositories, such as the WHO COVID database with rights for unrestricted research re-use and analyses in any form or by any means with acknowledgement of the original source. These permissions are granted for free by Elsevier for as long as the COVID-19 resource centre remains active.

PMC Copyright notice

Cumulative incidence curves for severe COVID-19 in patients with rheumatoid arthritis versus patients without rheumatoid arthritis (comparator group)

(A) All patients with rheumatoid arthritis. (B) Patients with rheumatoid arthritis-associated interstitial lung disease. (C) Patients with seropositive rheumatoid arthritis. (D) Patients with rheumatoid arthritis and erosive disease. HR was adjusted for age, sex, race, and smoking status. HR=hazard ratio.