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. 2021 Jun 25;139(4):398–404. doi: 10.1590/1516-3180.2020.0722.R1.2302021

Table 4. Univariate logistic regression analysis on clinical parameters related to in-hospital mortality among patients diagnosed with COVID-19 in the intensive care unit.

Parameter B Wald P value Odds ratio 95% CI
Lower Upper
Sex (male) -0.898 4.989 0.026 0.407 0.185 0.896
Age, years -0.013 0.756 0.385 0.987 0.958 1.017
Length of stay, days 0.001 0.004 0.952 1.001 0.961 1.043
Cortisol, μg/dl 0.221 32.811 0.000 1.247 1.156 1.345
CRP, mg/dl 0.039 5.228 0.022 1.040 1.006 1.075
D-dimer, ug/l 0.000 1.219 0.270 1.000 0.999 1.000
Creatine, mg/dl 0.118 0.760 0.383 1.125 0.863 1.465
AST, U/l 0.001 0.750 0.386 1.001 0.998 1.005
ALT, U/l 0.001 0.100 0.751 1.001 0.996 1.006
Albumin, g/dl -0.622 4.171 0.041 0.537 0.296 0.975
N:L ratio -0.021 1.938 0.164 0.979 0.950 1.009

CI = confidence interval; CRP = C-reactive protein; AST = aspartate aminotransferase, ALT = alanine aminotransferase; N:L ratio: neutrophil-to-leukocyte ratio. P < 0.05: significant (shown in bold).