Table 4.

Final multiple regression model for outcome of SARS-CoV-2 infection.

Variable	p	Odds ratio	95% confidence interval
Age in years	< 0.001	0.987	0.982–0.992
Female sex	< 0.001	0.803	0.728–0.886
Diabetes duration ≤ 2 years	0.002	0.670	0.522–0.860
Diabetes duration in years	0.040	1.014	1.001–1.027
Insulin	0.259	1.080	0.945–1.234
SARS-cov-2 vaccination dose 1	< 0.001	1.482	1.222–1.797
SARS-cov-2 vaccination dose 2	< 0.001	0.537	0.442–0.652
SARS-cov-2 vaccination booster	< 0.001	0.305	0.262–0.355
Hypertensive diseases	< 0.001	1.313	1.127–1.529
Chronic lower respiratory diseases	0.008	1.262	1.064–1.497
Other chronic obstructive pulmonary disease	0.921	0.990	0.815–1.203
Chronic kidney disease	< 0.001	1.304	1.135–1.499
SGLT-2 inhibitors	< 0.001	0.722	0.610–0.856
DPP-4 inhibitors	0.090	1.094	0.986–1.213
Metformin	0.463	1.040	0.936–1.156

P of the multivariate model < 0.001.

Bolded text in table represents variables with statistically significant association to outcome; Univariate models are available in Additional file 2.