Statin use	Odds ratio (95% CI)
	Model 1	Model 2	Model 3
Never	1·00	1·00	1·00
Ever
< 70 years	1·21 (1·18–1·23)	1·17 (1·15–1·20)	1·12 (1·09–1·15)
≥ 70 years	1·20 (1·17–1·22)	1·16 (1·13–1·19)	1·13 (1·10–1·17)

CI, confidence interval. Model 1: unadjusted model. Model 2: unadjusted model, restricted to patients who had no missing data in all descriptive variables. Model 3: adjusted for body mass index category, smoking status, alcohol use, cardiovascular disease, HIV, lymphoma, leukaemia, myeloma, haematopoietic stem cell transplantation, other immunosuppressive therapy, other unspecified cellular immune deficiencies, oral corticosteroids, rheumatoid arthritis, systemic lupus erythematosus, chronic obstructive pulmonary disease, asthma, chronic kidney disease, depression and diabetes.