Symptoms and Severity of COVID-19 in Patients with Immune-Mediated Inflammatory Diseases: Experience of a University Medical Center

Table 9

Analysis of IMID patients regarding COVID-19 free survival.

	No.	%	Observed COVID-19 cases	Expected COVID-19 cases	Logrank test
Total	156	100
Unvaccinated	10	6.4	8	4.1	Chi^2 = 4.1
Vaccinated^§	137	87.8	68	71.9

IMID: immune-mediated inflammatory disease; COVID-19: coronavirus disease 2019; ^§at least one vaccination against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2); 3 patients did not provide vaccination status, and 6 patients did not provide sufficient data to calculate event time; .