Table 4.

Multivariate analysis for ICU admission

Variable	OR (95% CI)	P value
Sex (male)	1.70 (1.22–2.38)	0.002
Age (< 50)	Ref	–
Age (50–59)	2.05 (1.13–3.73)	0.019
Age (60–69)	3.49 (1.91–6.40)	< 0.001
Age (70–79)	2.38 (1.15–4.94)	0.02
Age (≥ 80)	0.23 (0.08–0.66)	0.006
CCI: 0–2	Ref	–
CCI: 3–4	1.78 (1.11–2.88)	0.018
CCI: ≥ 5	1.23 (0.64–2.35)	0.538
No previous AC or AP	Ref	–
AC	0.41 (0.18–0.93)	0.034
AP	0.96 (0.60–1.53)	0.863

CCI Charlson comorbidity index, AC anticoagulation therapy, AP antiplatelet therapy, OR odds ratio

Discrimination power of the model, AUC (95% CI): 0.743 (0.710 – 0.776)

Calibration of model, Hosmer–Lemeshow Test: p = 0.967