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. 2021 Jul 21;12(6):1169–1180. doi: 10.1007/s41999-021-00541-0

Table 3.

Univariable and multivariable Cox regression analysis of mortality

Univariate Multivariate
HR (95% CI) p HR (95% CI) p
Dementia (GDS ≥ 4) 1.567 (0.859/2.857) 0.143 3.012 (1.373/6.705) 0.017
 Delirium (prevalent) 2.372 (1.628/3.454)  < 0.001 0.777
Delirium (incident) 1.857 (1.276/2.702) 0.001 1.728 (1.104/2.705) 0.017
 CURB-65: 0–1 (low risk) 1 1
 CURB-65: 2 (moderate risk) 3.350 (1.557/7.208) 0.002 3.802 (1.639/8.816) 0.002
CURB-65: 3–5 (high risk) 7.764 (3.723/16.191)  < 0.001 7.991 (3.555/17.965)  < 0.001
ACEI 0.578 (0.368/0.910) 0.018 0.428 (0.253/0.725) 0.002
Hydroxychloroquine 0.415 (0.263/0.654)  < 0.001 0.372 (0.220/0.627)  < 0.001
 No anticoagulant treatment 1 1
Prophylactic dose 0.347 (0.202/0.598)  < 0.001 0.380 (0.196/0.736) 0.004
Therapeutic dose 0.395 (0.217/0.720) 0.002 0.331 (0.163/0.671) 0.002

Bold value indicates statistical significance