Table 3.

Multivariate adjustment using the Poisson model for emergency care, hospitalisation and intensive unit care admission

Variables	PR	95% CI	P value*
Emergency care
Diabetes
No	1.00	–
Yes	1.38	1.11 to 1.73	0.004
Kidney disease
No	1.00	–
Yes	1.36	1.05 to 1.77	0.020
Oral GC
No	1.00	–
Yes	1.49	1.21 to 1.85	<0.001
Intravenous GC
No	1.00	–
Yes	1.38	1.14 to 1.67	0.001
Hospitalisation
Age
Up to 50	1.00	–	–
>50	1.89	1.26 to 2.85	0.002
TNFi
No	2.51	1.16 to 5.45	0.020
Yes	1.00	–	–
Intravenous GC
No	1.00	–	–
Yes	2.50	1.59 to 3.92	<0.001
Intensive care unit admission
Oral GC
No	1.00	–	–
Yes	2.24	1.36 to 3.71	0.002
Intravenous GC
No	1.00	–	–
Yes	1.65	1.0 to 2.68	0.043
SLE
No	1.00	–
Yes	1.72	1.04 to 2.88	0.036

*P value of the Wald test

PR, prevalence ratio; TNFi, tumour necrosis factor inhibitor; GC, glucocorticoids; SLE, systemic lupus erythematosus.