Table 4. Relationship between selected score and the risk of SARS-CoV-2 infection.

Scores	OR (90% CI)
SARS-CoV-2 Infection Score (SIS)
I (0)	1.00 (Ref.)
II (1–2)	1.19 (1.03 to 1.36)
III (3–4)	1.32 (1.10 to 1.58)
IV (≥5)	1.74 (1.44 to 2.10)
Number of comedications
I (0)	1.00 (Ref.)
II (1–4)	1.05 (0.91 to 1.21)
III (5–9)	1.17 (0.97 to 1.41)
IV (≥10)	1.65 (1.25 to 2.19)
Number of comorbidities
I (0)	1.00 (Ref.)
II (1–2)	1.21 (1.05 to 1.38)
III (≥3)	1.36 (1.15 to 1.60)
Multisource Comorbidity Score (MCS)
I (0)	1.00 (Ref.)
II (1–3)	1.21 (1.03 to 1.41)
III (≥4)	1.45 (1.23 to 1.70)